Sea Cucumber
$5.99
The Sea Cucumber (Class Holothuroidea) is a soft-bodied echinoderm found in the Caribbean and tropical Atlantic, typically 1-6 inches long. Non-aggressive and slow-moving, it feeds by ingesting sediment and extracting organic matter. Most species are dioecious, with external fertilization, and some can reproduce asexually. Non-venomous, though some produce sticky filaments for defense. Vital for reef health, they recycle nutrients and aerate sediments. Moderate to difficult in captivity due to substrate, water quality, and feeding requirements.
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Sea cucumbers are soft-bodied, elongated echinoderms found on sandy or coral rubble seabeds in the Caribbean and tropical Atlantic. They play a crucial ecological role by recycling nutrients and aerating the sediment.
Coloration:
Typically brown, gray, or greenish, sometimes with lighter or darker spots. Some species display reddish or orange hues.
Abundance & Typical Size:
Common in shallow reef flats and seagrass beds. Adults typically measure 1-6 inches in length, though some species can grow longer.
Behavior & Aggressiveness:
Completely non-aggressive. Slow-moving detritivores that feed by ingesting sediment and extracting organic matter. They can expel their internal organs as a defense mechanism when threatened (evisceration), which later regenerate.
Reproduction & Sexuality:
Most species are dioecious (separate sexes), releasing eggs and sperm into the water for external fertilization. Some species can reproduce asexually by fission.
Venom:
Non-venomous and harmless to humans, though some species have sticky filaments that can irritate skin temporarily.
Tenure in Captivity:
Moderate to difficult. Requires large tanks with sandy substrate and very stable water quality. They need a continuous supply of detritus or specialized food.
Fun Facts:
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Vital for reef health, they recycle nutrients and keep sediments clean.
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Some species can expel sticky filaments or their internal organs to deter predators.
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They move slowly but can live for many years, depending on species.
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They are often harvested in some regions as a delicacy (sea cucumber or bêche-de-mer).
INV-CUK-SAND
7 Items
Data sheet
- Dificulty Level
- Begginer
- Behavior Tendency
- Passive
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The Sea Cucumber (Class Holothuroidea) is a soft-bodied echinoderm found in the Caribbean and tropical Atlantic, typically 1-6 inches long. Non-aggressive and slow-moving, it feeds by ingesting sediment and extracting organic matter. Most species are dioecious, with external fertilization, and some can reproduce asexually. Non-venomous, though some produce sticky filaments for defense. Vital for reef health, they recycle nutrients and aerate sediments. Moderate to difficult in captivity due to substrate, water quality, and feeding requirements.