Naso vlamingii, the bignose unicornfish, scibbled unicornfish, Vlaming's unicornfish, and zebra unicornfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. This species is found in the Indo-Pacific.
Taxonomy
Naso vlamingii was first formally described as Naseus vlamingii in 1835 by the French zoologist Achille Valenciennes with its type locality given as Molucca Island in Indonesia.[3] This species is classified within the nominate subgenus of the genus Naso.[4] The genus Naso is the only genus in the subfamily Nasinae in the family Acanthuridae.
Etymology
Naso vlamingii has the specific name which honours the Dutch explorer Admiral Cornelis de Vlamingh who collected specimens and drew illustrations of fishes for the Muséum national d’Histoire naturelle and Valenciennes based his description on one of Vlamingh's illustrations.[4]
Description
Naso vlamingii has 6 spines and 26 or 27 soft rays all of similar height supporting the tall dorsal fin and 2 spines and between 27 and 29 soft rays supporting the anal fin. It has a relatively deep body with standard lengths ranging from 2.2, in subadults, to 2.6, in adults, times the body's depth. There is an obvious bulbous protuberance growing from the head above the snout. There are two bony plates on each side of the caudal peduncle and these have keels with anterior pointing spines. The adults develop long filaments from the tips of the caudal fin lobes. The overall colour of the adults is greyish-brown or reddish brown, and they have the ability to change colour quickly, with small dark blue spots on the head and upper flanks. These spots join up to form stripes on the lower flanks. There is a wide blue band running from the eye to the front of the bulbous protuberance. The lips are blue and there is an irregular blue blotch to the rear of the base of the pectoral fin. The caudal fin is blue at its base, grey in the middle with an ill-defined yellow marginand blue outer edges of the lobes and this extends onto the filaments. The intensity of the colour of the blue markings can be increased to a brilliant blue when the fish is displaying in courtship or to communicate with cleaner fish at cleaning stations.This species has a maximum published length of 60 cm (24 in).
Distribution and habitat
Naso vlamingii has a wide Indo-Pacific range which extends from the eastern coast of Africa between Kenya and South Africa, through the Indian Ocean islands, but it is absent the continental southern Asian waters, through the Andaman Sea, Indonesia and into the Pacific. In the Pacific it extends north to southern Japan, east to the Galápagos Islands and south to New Caledonia and Australia.[1] In Australia the species is found at a number of offshore islands and reefs, as well as from the northern Great Barrier Reef south to waters off Sydney in New South Wales and in the waters around Lord Howe Island in the Tasman Sea. The bignose unicornfish is found in deep lagoons and seaward reefs, frequently aggregating in schools that feed on zooplankton around the higher areas of deep slopes and drop-offs.
Biology
Naso vlamingii can live up to 40 years in captivity.[8] Their eggs are fertilized externally after being released in batches by the female. Spawning typically occurs in aggregations, where many individuals come together to release their eggs and sperm simultaneously. They change their feeding pattern throughout their lives. Juveniles are herbivores; feeding mainly with algae, semi-adults are omnivores and adults are primarily carnivores; hunting for zooplankton.
A pair of Nemateleotris magnifica (Firefish Goby) would typically consist of one male and one female, often found hovering near a burrow entrance, with the male guarding the eggs until they hatch. The male and female are similar in appearance, but the male's elongated first dorsal spine may be slightly more prominent.
Specific Characteristics:
Appearance:
The Firefish Goby is known for its distinct coloration: a pearly white front half, transitioning to an orange-red rear half, and a dark red tail. The first dorsal spine is greatly elongated and white.
Behavior:
They are generally peaceful fish and spend most of their time suspended near a refuge, often a burrow, waiting for small prey to drift by.
Pair Behavior:
In the wild, they often live in pairs or small groups, hovering over the reef and actively hunting for food.
Diet:
They are carnivores, feeding on zooplankton, small invertebrates, and in aquariums, they readily accept brine shrimp, mysis shrimp, and prepared marine foods
The Purple Firefish (Nemateleotris decora) is a vibrant dartfish characterized by its slender, elongated body, often white or yellow, that transitions to a darker shade towards the tail. Its most striking feature is its purple head and face, which contrasts with the reddish-orange or maroon hues on its fins, often edged with black. It's a relatively small fish, reaching about 3.5 to 4 inches in length, and is known for its peaceful temperament and reef compatibility.
Key characteristics:
Appearance: White or yellow body, purple head, reddish-orange or maroon fins with black edging.
Size: Reaches a maximum length of 9 cm (3.5 inches).
Habitat: Found in tropical Indo-West Pacific waters, from Mauritius to Samoa.
Temperament: Peaceful and reef compatible.
Diet: Feeds on zooplankton, especially copepods and crustacean larvae.
Behavior: Often found in pairs, hovering in the water column, and darting into holes when alarmed.
Fox coral, also known as Nemenzophyllia turbida, is a large polyp stony (LPS) coral. It's a peaceful coral with no visible tentacles, making it easy to maintain and suitable for both novice and experienced reef aquarists. Fox corals thrive in moderate lighting and low water movement, and benefit from the addition of calcium, strontium, and other trace elements in the water.
Here's a more detailed description:
Appearance:
Fox corals have a unique appearance with large, fleshy polyps that can extend significantly during the day. They lack visible tentacles and have a pale green or tan color.
Care:
Fox corals are relatively easy to care for, requiring moderate lighting, low water flow, and regular additions of calcium, strontium, and other trace elements.
Feeding:
They can benefit from additional food like micro-plankton or brine shrimp.
Fragility:
The fox coral's skeleton is quite fragile and needs to be handled with care.
Compatibility:
Fox corals are generally peaceful and don't typically pose a threat to other corals
The Flame Hawkfish, Neocirrhites armatus, is a vibrant, small to medium-sized hawkfish known for its bright red body and black markings, particularly along the dorsal fin and around the eyes. It's a solitary, territorial species, often seen perching on corals and rocks, observing its environment.
Key characteristics:
Appearance: Bright red with dark markings, especially along the dorsal fin and around the eyes.
Size: Reaches a maximum length of about 9 cm (3.5 inches).
Habitat: Native to the Indo-Pacific region, found near coral reefs with currents.
Behavior: Solitary and territorial, preferring to perch and observe from a vantage point rather than actively swim.
Diet: Carnivorous, feeding on small crustaceans.
Care: Requires a well-oxygenated water environment and can be finicky eaters at first.
Lifespan: Can live for 5 years or more in captivity with proper care.
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Ophiolepis superba, also known as the banded brittle star or spotted snake starfish, is a marine invertebrate characterized by its distinctive color pattern and relatively short arms. It typically has a beige to pale yellow-orange base color with a striking pattern of black or purple on the disc and bands on the arms. The arms are smooth due to tiny spines, and the disc is covered with larger plates surrounded by a single row of smaller plates.
Key Features:
Size:
Disc diameter can reach up to 3 cm, with arm lengths up to 9 cm. Some sources indicate a total size of up to 25 cm.
Coloration:
Beige to pale yellow-orange with a pattern of black or purple on the disc and bands on the arms.
Arm Structure:
Short, relatively smooth arms due to small lateral spines.
Habitat:
Found in lower littoral zones and deeper waters, often under rocks and among coral, including coastal and deeper reef areas.
Distribution:
Indo-West Pacific region, including the Red Sea, East Indies, Australia, and the South Pacific Islands.
Behavior:
Solitary and spends much of its time hidden, particularly during the day, among rocks and corals. It is an omnivore with carnivorous tendencies, feeding on detritus and carrion.
The Pearly Jawfish, also known as the Yellowhead Jawfish (Opistognathus aurifrons), is a small, peaceful marine fish known for its bright yellow head and pearly white to light blue-green body. They are a popular choice for saltwater aquariums due to their unique burrowing behavior and engaging personalities.
Key characteristics:
Coloration: Yellow head transitioning to a pearly white or light blue-green body.
Size: Typically reach about 4 inches (10 cm) in length in aquariums.
Behavior: Known for building burrows in sandy substrates, often poking their heads out to observe their surroundings or hovering just above their burrows.
Temperament: Generally peaceful, but can be territorial around their burrows.
Reef Compatibility: Considered reef-safe and can be kept with most corals.
Diet: Carnivorous, primarily consuming live or frozen foods like brine shrimp, mysis shrimp, and other small marine invertebrates.
Tank Requirements: Need a tank with a deep sandy substrate (several inches) to construct their burrows.
In essence, the Pearly Jawfish is a charming and interesting fish for marine aquariums, known for its unique burrowing habits and peaceful demeanor.
Oxycirrhites typus, or the Longnose Hawkfish, is a small marine fish known for its very long, pointed snout, white body, and a grid-like pattern of red stripes and bars. It typically grows up to 13 cm (5.1 inches) and has a tuft of cirri on its dorsal fin spines. The fish is often found perched on gorgonians and black corals in tropical reefs.
Key features
Appearance: White body with a network of horizontal and near-vertical red lines. Its most distinctive feature is a greatly elongated, pointed snout.
Dorsal fin: Has a tuft of cirri (small, hair-like projections) at the tip of each dorsal fin spine.
Size: Reaches a maximum length of 13 cm (5.1 inches).
Habitat: Inhabits tropical reefs in the Indo-Pacific region, often found at depths of 10 to 100 meters. It prefers to perch on gorgonian sea fans and black corals.
Behavior: Known to be a stationary hunter, observing its surroundings from a single perch. It is sometimes kept in the aquarium trade.
Diet: Primarily feeds on small crustaceans and zooplankton.
Oxymanthus benneti, also known as Anneissia bennetti, is a large feather star species characterized by its numerous feathery arms (31-120) used for filter-feeding. These arms, with their finger-like pinnules, trap food particles like detritus, phytoplankton, and zooplankton from the water column. A defining feature is its large, thick centrodorsal (body) with long, robust cirri (3-4.5 cm) used for attachment and later for elevation when free-living. These cirri help distinguish it from similar species.
Here's a more detailed breakdown:
Size and Appearance:
Oxymanthus benneti is one of the larger feather star species, reaching up to 30 cm in diameter.
Feeding:
They are filter feeders, capturing suspended food particles with their numerous feathery arms.
Arms and Pinnules:
The arms are equipped with many pinnules, which are finger-like projections that increase the surface area for trapping food.
Centrodorsal and Cirri:
The body (centrodorsal) is large and thick, with long, robust cirri used for initially attaching to a substrate and later for elevation and movement.
Life Cycle:
They begin life attached to a stalk, but become free-living as adults, using their cirri to position themselves for feeding.
Symbiosis:
Oxymanthus benneti is known to host various species of polychaete worms, offering them shelter, food, and protection in a commensalistic relationship.
Озонатор AquaLight ET 100
вариант
ЕТ100
Регулируем
10-100 мг/ч
максимална мощност
5 вата
Приложение
Сладководна/морска вода
2000/1000 л
препоръчителен въздушен поток
20-500 л/ч
регулируем
създава кристално чиста вода
намалява количеството на микробите
увеличава производителността на скимери, биофилтри и механични филтри
значително намалява замърсяването с нитрити и амоняк
увеличава редокс потенциала и съдържанието на кислород
отделя жълти вещества и други замърсители за разграждане
Приложение в сладка и морска вода
Paracanthurus hepatus is a species of Indo-Pacific surgeonfish. A popular fish in marine aquaria, it is the only member of the genus Paracanthurus.
A number of common names are attributed to the species, including regal tang, palette surgeonfish, blue tang , royal blue tang, hippo tang, blue hippo tang, flagtail surgeonfish, Pacific regal blue tang, and blue surgeonfish, hepatus tang, Indo-Pacific blue tang, regal blue surgeonfish, wedge-tailed tang, wedgetail blue tang.
Description
Paracanthurus hepatus has a royal blue body, yellow tail, and black "palette" design. Its length at first sexual maturity is 149.2 mm. Adults typically weigh around 600 g (21 oz) and males are generally larger than females.The back has a broad black area that encloses at the tip of the pectoral, creating a blue oval on each side of the fish that extends in the direction of the eye. The tail has a bright yellow triangle with its apex anterior to the caudal spine and its base at the posterior end of the caudal fin. Black surrounds the triangle on the upper and lower lobes of the caudal fin, in the same hue as the back area.
Paracanthurus has small small scales, each with short ctenii on the upper surface. Scales on the caudal spine possess ctenii approximately three times as long as scales on the rest of the body. Scales anteriorly placed on the head between the eye and the upper jaw are larger with tuberculated, bony plates.
This fish has a compressed, elliptical body shape, and a terminal snout. It has nine dorsal spines, 26–28 dorsal soft rays, three anal spines, and 24–26 anal soft yellow rays, and 16 principal caudal rays with slightly projecting upper and lower lobes. Its pelvic fin is made up of one spine and three rays; this characteristic is considered a synapomorphy of the Naso and Paracanthurus genus. The caudal peduncle has a spine located in a shallow groove, which is also a characteristic of its sister taxa Zebrasoma. It has 22 vertebrae. Paracanthurus has teeth that are small, close-set, denticulated, and described as incisor-like.
Jaw morphology includes an ectopterygoid that links the palatine to the quadrate near the articular condyle. A crest is present on the anterodorsal surface of the hyomandibular. The opercle is less developed, with a distinctly convex profile.
Some slight variation in appearance is present within Paracanthurus. The lower body is yellow in west-central Indian Ocean individuals, and bluish in Pacific individuals . Additionally, the blue color on the trunk of Paracanthurus loses pigmentation in response to changes in light and/or melatonin levels, making its appearance slightly lighter in color at night.
Distribution
The regal blue tang can be found throughout the Indo-Pacific. It is seen in the reefs of the Philippines, Indonesia, Japan, the Great Barrier Reef of Australia, New Caledonia, Samoa, East Africa, and Sri Lanka. A single specimen was photographed in 2015 in the Mediterranean Sea off Israel. Vagrants were found two separate occasions in Hawaii, and are assumed to be aquarium releases.
Paracanthurus is an extant resident in the following territories: American Samoa; Australia; British Indian Ocean Territory; Brunei Darussalam; Christmas Island; Cocos (Keeling) Islands; Comoros; Cook Islands; Disputed Territory (Paracel Is., Spratly Is.); Fiji; French Southern Territories (Mozambique Channel Is.); Guam; India (Nicobar Is., Andaman Is.); Indonesia; Japan; Kenya; Kiribati (Kiribati Line Is., Phoenix Is., Gilbert Is.); Madagascar; Malaysia; Maldives; Marshall Islands; Mauritius; Mayotte; Micronesia, Federated States of ; Myanmar; Nauru; New Caledonia; Niue; Northern Mariana Islands; Palau; Papua New Guinea; Philippines; Réunion; Samoa; Seychelles; Singapore; Solomon Islands; Somalia; South Africa; Sri Lanka; Taiwan, Province of China; Tanzania, United Republic of; Thailand; Timor-Leste; Tokelau; Tonga; Tuvalu; United States (Hawaiian Is.); United States Minor Outlying Islands (US Line Is., Howland-Baker Is.); Vanuatu; Viet Nam; Wallis and Futuna.
Ecolog
Paracanthurus is a diurnal marine species that occupies marine neritic habitats along coastlines. It is found in clear water on exposed outer reef areas or in channels with a moderate or strong current. It primarily utilizes coral reef habitats, but is also known to utilize seagrass beds, mangroves, algal beds, and rocky reefs [1]. It has an upper and lower depth limit of 2 meters and 40 meters, respectively .They live in pairs or small groups of 8 to 14 individuals. They can also be found near cauliflower corals on the seaweed side of coral reefs. Juveniles can be found in schools using Acropora for shelter. Numbers of males and females tend to maintain a 1:1 ratio.
The fish is important for coral health as it eats algae that may otherwise choke it by overgrowth.
Diet
As a juvenile, its diet consists primarily of plankton. Adults are omnivorous and feed on zooplankton, but will also graze on filamentous algae.[16]
Life cycle
Spawning takes place year round, with a peak between April and September. Spawning occurs during late afternoon and evening hours around outer reef slopes. This event is indicated by a change in color from a uniform dark blue to a pale blue. Males aggressively court female members of the school, leading to a quick upward spawning rush toward the surface of the water during which eggs and sperm are released. The eggs are small, approximately 0.8 millimetres (1⁄32 in) in diameter. The eggs are pelagic, each containing a single droplet of oil for flotation. The fertilized eggs hatch in twenty-four hours, revealing small, translucent larvae with silvery abdomens and rudimentary caudal spines. Once opaque, the black "palette" pattern on juveniles do not fully connect until mature. These fish reach sexual maturity at 9–12 months of age, and at approximately 149.22 mm in size.[6] Fecundity has a tendency to positively correlate with weight.
Fishes in the family Acanthuridae, including Paracanthurus, produce altricial larvae that receive no v. parental care. After hatching, these larvae rely on yolk reserves in order to survive their first two to three days of life.
Importance to humans
The regal blue tang is of minor commercial fisheries importance; however, it is a bait fish. The flesh has a strong odor and is not highly prized. This fish may cause ciguatera poisoning if consumed by humans. However, regal blue tangs are collected commercially for the aquarium trade. Handling the tang risks the chances of being badly cut by the caudal spine. These spines, one on each of the two sides of the caudal peduncle, the area where the tail joins the rest of the body, are extended when the fish is stressed. The quick, thrashing sideways motion of the tail can produce deep wounds that result in swelling and discoloration, posing a risk of infection. It is believed that some species of Acanthurus have venom glands while others do not. The spines are used only as a method of protection against aggressors.
The regal blue tang is one of the most common and most popular marine aquarium fish all over the world, holding its place as the 8th most traded species worldwide. In 1997–2002, 74,557 individuals were traded in official tracked sales and in 2011 approximately 95,000 Paracanthurus were imported for use as a marine ornamental fish. When harvesting Paracanthurus in the wild, juveniles are specifically targeted since they are easiest to collect due to their tendency to travel in schools. Paracanthurus for human use are harvested in the wild rather than raised in aquaculture. Conservationists encourage efforts to switch to aquaculture in order to better preserve wild populations.
