Tripneustes gratilla, commonly known as the collector urchin or Halloween urchin, is a species of sea urchin. It's a herbivorous echinoderm found in various tropical habitats like coral reefs, seagrass meadows, and algal forests. These urchins have a dark, often bluish-purple test (shell) with white or orange spines, sometimes completely white or orange-tipped.
Key Features and Behaviors:
Color: While typically dark, their spines can vary from white to orange, with some having orange tips or being entirely white.
Test: The test is usually dark, especially in interradial regions, which are the areas between the spines.
Spines: They possess long, obvious spines, and their spines are often inclined towards adjacent ambulacra, giving the appearance of a pentaradiate cross.
Podia: These urchins have long and obvious tube feet (podia) that help them move and collect debris.
Diet: Tripneustes gratilla is herbivorous, feeding primarily on algae.
Habitat: They are found in a variety of tropical habitats, including coral reefs, seagrass meadows, and algal forests.
Covering Behavior: They are known for their "covering behavior," using tube feet to cover their aboral (top) surface with debris like rocks and other materials.
Predators: Common predators include pufferfishes, octopuses, and humans.
Venom: They possess venom but it doesn't typically cause severe stings.
Edibility: While they are not the most commonly consumed sea urchin, some cultures do eat their gonads.
Other names: They are also known as cake, Parson's hat, Halloween, Hawaiian, priest-hut, pincushion, and hairy sea urchins
Diadema setosum, commonly called the diadem urchin or long-spined sea urchin, is a species of long-spined sea urchin known for its distinct five white dots and extremely long, hollow, mildly venomous spines. It's a typical sea urchin, with a round, hard shell (test) and numerous spines. Diadema setosum is primarily found in the Indo-Pacific region, including areas from Australia and Africa to Japan and the Red Sea.
Key Features:
Spines: Long, hollow, and sharp spines that can cause painful stings, though only slightly venomous.
Test: A round, hard shell made of fused plates.
Color: Black or dark brown, with five distinctive white spots on its body.
Habitat: Shallow tropical reefs in the Indo-Pacific, from Australia to Japan and the Red Sea.
Behavior: Primarily a grazer, active at night, and vulnerable to predation from fish.
Size: Maximum test diameter of 90 mm.
Symbiotic relationships: Can host the urchin shrimp Stegopontonia commensalis.
Diet: Algae.
Distinguishing Features:
Diadema setosum can be distinguished from its sister species, D. savignyi, by the presence of white spots on its test, while D. savignyi has blue markings.
Price per 1 polyp
Discosoma sp. ferugata refers to a specific variety of mushroom coral with a vibrant green color, often described as a "metallic" or "fluorescent" green. They are known for their mushroom-like appearance and relatively low care requirements, making them a popular choice for reef aquariums.
Here's a more detailed description:
Appearance:
Discosoma sp. Electric Green are known for their distinctive green color, often described as a vibrant or metallic hue. They have a disc-shaped appearance and can grow to be quite large, up to 4 inches in diameter, .
Care:
They are generally easy to care for, preferring low to moderate lighting and water flow. They are also relatively tolerant of different water parameters.
Habitat:
Discosoma sp. are naturally found in warm waters throughout the Indo-Pacific, Caribbean, and tropical West Atlantic. They can be found in a variety of reef habitats, including intertidal zones and sheltered reefs.
Feeding:
They primarily feed on the products of their symbiotic zooxanthellae, but can also supplement their diet with dissolved organic matter and particulate matter from the water column. Some may also eat small fish or food particles.
Other notes:
Discosoma sp. are a part of the Corallimorpharia order, which is also related to sea anemones.They are often referred to as "mushroom corals" due to their shape.
Echinophyllia are a genus of large polyp stony corals (LPS), often referred to as "Chalice corals". They are colonial, foliaceous corals, typically found in the Indo-Pacific. Echinophyllia colonies often form plate-like or encrusting structures on the substrate.
Key characteristics of Echinophyllia:
Shape: Thin, flat, and encrusting, sometimes with plate-like or vase-shaped formations.
Corallites: Widely spaced, irregular, and can be immersed or partly exsert.
Color: Generally gray-blue, green, or brown, with some spectacular color morphs possible.
Growth habit: They tend to grow in sheltered, lower reef slopes, often on vertical surfaces.
Habitat: Found in the Indo-Pacific, Red Sea, and other parts of the Pacific.
Classification: While often sold as "Chalice corals," precise species identification can be difficult.
In reef aquariums: Echinophyllia are popular reef aquarium corals, known for their easy care and diverse forms and colors
Echinophyllia are a genus of large polyp stony corals (LPS), often referred to as "Chalice corals". They are colonial, foliaceous corals, typically found in the Indo-Pacific. Echinophyllia colonies often form plate-like or encrusting structures on the substrate.
Key characteristics of Echinophyllia:
Shape: Thin, flat, and encrusting, sometimes with plate-like or vase-shaped formations.
Corallites: Widely spaced, irregular, and can be immersed or partly exsert.
Color: Generally gray-blue, green, or brown, with some spectacular color morphs possible.
Growth habit: They tend to grow in sheltered, lower reef slopes, often on vertical surfaces.
Habitat: Found in the Indo-Pacific, Red Sea, and other parts of the Pacific.
Classification: While often sold as "Chalice corals," precise species identification can be difficult.
In reef aquariums: Echinophyllia are popular reef aquarium corals, known for their easy care and diverse forms and colors
Favia are a genus of reef-building stony corals, known for their massive or thickly encrusting colonies, often dome-shaped or flat. They are commonly referred to as brain corals or closed brain corals, and are part of the family Mussidae. Favia corals are characterized by having individual walls for each corallite, and they have sweeper tentacles which can extend and sting other corals.
Here's a more detailed description:
Growth Form:
Favia corals can grow in various shapes, including massive, dome-shaped, or encrusting.
Corallites:
The corallites, which are the individual cups where the polyps live, are plocoid (placing them in a cone shape) and often have their own walls.
Septa and Costae:
These structures are well-developed and covered with fine teeth, contributing to the coral's intricate structure.
Polyps:
Favia polyps extend and feed at night, using their tentacles to capture prey and assess their surroundings.
Sweeper Tentacles:
These tentacles are used to "sweep" the water and detect nearby corals, potentially leading to aggression and "coral wars".
Habitat:
Favia corals are found in various reef environments, including shallow water and deeper slopes.
Color:
They can display a wide range of colors, including pale grey, green, brown, and often have calices of contrasting colors
Leptastrea is a genus of stony corals, often described as "encrusting" or "plocoid," meaning they grow in a flat, dome-like shape by covering the substrate. They are relatively beginner-friendly corals, known for their diverse color variations and a tendency towards slower growth compared to some other encrusting corals. Leptastrea colonies typically have small, barrel-shaped corallites with distinct grooves and tubercles.
Key features of Leptastrea corals:
Growth Form: Encrusting or plocoid, forming flat or dome-shaped colonies.
Corallites: Small, barrel-shaped corallites with grooves and tubercles separating them.
Color: Available in a wide range of colors, including cream, green, yellow, and variations of these.
Growth Rate: Generally slow-growing, making them suitable for smaller tanks or aquascapes where rapid growth is undesirable.
Lighting: Can tolerate a range of lighting conditions, from lower to moderate.
Current: Often found in areas with moderate to high water movement.
Care: Considered beginner-friendly, but proper feeding (small food particles) and adequate water parameters are important.
Stinging: Leptastrea have a stinging power, so spacing them appropriately from other corals is recommended.
Lithophyllon is a genus of stony corals belonging to the family Fungiidae, also known as mushroom corals. They are encrusting corals that can grow as colonies, though they are now more commonly found as solitary polyps. Lithophyllon are typically found in shallow reef environments and are considered uncommon.
Key Characteristics:
Colony Formation: Lithophyllon can form colonies, with some species having a central corallite distinguishable in smaller colonies.
Appearance: They are often tan in color and can resemble other corals like Cantharellus jebbi.
Habitat: They inhabit shallow reef environments.
Tentacles: Their tentacles are usually extended only at night.
Species:
Lithophyllon repanda (Oval mushroom coral), Lithophyllon undulatum (Stone leaf coral), Lithophyllon ranjithi, and Lithophyllon lobata.
Acanthurus pyroferus, also known as the chocolate surgeonfish or mimic surgeonfish, is a species of surgeonfish. Adults are typically dark brown or purplish-black with a yellowish tan anterior. They have a distinct orange patch at the gill opening and a prominent yellow band on the posterior margin of their caudal fin. Juveniles exhibit different color patterns that mimic other fish species like lemonpeel angelfish.
Key features of Acanthurus pyroferus:
Size: They can grow up to 29 cm (11 inches) in length.
Coloration: Adults are usually dark brown to purplish-black, sometimes with a yellowish tan anterior. They have an orange patch at the gill opening and a yellow band on their tail.
Fins: The dorsal fin has 8 spines and 27-30 soft rays, while the anal fin has 3 spines and 24-28 soft rays. The tail fin edge is lunate in adults and round in juveniles.
Tail Spine: A single, depressible spine on the side of the tail base, which is part of their defense mechanism.
Diet: They are herbivores and primarily graze on algae.
Habitat: Found in reef environments, including the Indo-Pacific region, the Red Sea, and the Indian Ocean
Cycloseris tenuis, вид корал, се характеризира с кръгли, тънки и плоски полипи с малък централен купол. . Преградите са в значително различен ред, но всяка преграда е еднаква по цялата си дължина. Долната повърхност на полипа показва дебели, неправилно разположени ребра. Цветът му обикновено е бледокафяв или жълт. Този вид се среща в меки междурифови субстрати и се счита за рядък. Може да се обърка с Cycloseris costulata, който има по-тънки, по-правилни ребра.
Оранжевият корал Homophyllia bowerbanki е известен със своята инкрустираща форма на растеж, често с централен, изпъкнал коралит. Червеният Бауърбанки, разновидност на Homophyllia bowerbanki, обикновено показва нюанси на бледо сиво, кафяво или ръждиво, често с мраморен или пъстър вид. . Не е месесто и има неправилно оформени, цериоидни коралити. Макар че обикновено са по-малки, те могат да достигнат диаметър над 1,5 метра.
Homophyllia bowerbanki е корал, известен със своята инкрустираща форма на растеж, често с централен, изпъкнал коралит. Червеният Бауърбанки, разновидност на Homophyllia bowerbanki, обикновено показва нюанси на бледо сиво, кафяво или ръждиво, често с мраморен или пъстър вид. . Не е месесто и има неправилно оформени, цериоидни коралити. Макар че обикновено са по-малки, те могат да достигнат диаметър над 1,5 метра.
