Serpent Starfish Care Guide
Ophioderma brevispinum · Saltwater Starfish
What Serpent Starfish look like
Ophioderma brevispinum, commonly known as the Serpent Starfish, exhibits a distinctive morphology characterized by a central disc that can reach up to 10 cm in diameter, surrounded by five long, slender arms that can extend up to 30 cm in length. The arms are covered in small, spiny ossicles that provide a degree of protection and contribute to its overall flexibility and agility. The coloration ranges from dark brown to olive green, often with lighter mottled patterns that serve as camouflage against the substrate. Unlike some other echinoderms, the Serpent Starfish lacks tube feet on its arms, instead utilizing its spines for locomotion and feeding. Sexual dimorphism is not pronounced in this species, though males and females can be differentiated during the breeding season based on subtle differences in arm thickness. Its defensive adaptations include the ability to shed an arm when threatened, a process known as autotomy, which can distract predators and allow for escape.
Behavior & temperament
The Serpent Starfish is predominantly a nocturnal scavenger, exhibiting a benthic lifestyle where it forages primarily at night. It displays a solitary behavior, but can be found in small groups in areas with abundant food sources. During the day, it often hides under rocks or within crevices to avoid predation. Breeding behavior involves the release of gametes into the water column, where external fertilization occurs. This species is generally non-aggressive and poses little threat to other marine life, though it may exhibit competitive feeding behavior when food is scarce. Its movement is characterized by a slow, gliding motion across the substrate, utilizing its spiny arms to navigate and explore its environment.
Diet & feeding
The Serpent Starfish is primarily a detritivore, feeding on decomposing organic matter, small invertebrates, and detritus found on the ocean floor. In captivity, it requires a diet supplemented with high-quality sinking pellets, frozen mysis shrimp, and other meaty foods to ensure proper nutrition.
Behind the name
The scientific name 'Ophioderma' derives from the Greek words 'ophis' meaning 'snake' and 'derma' meaning 'skin', referring to the snake-like appearance of its long, slender arms. The species name 'brevispinum' comes from Latin, where 'brevis' means 'short' and 'spinum' refers to 'spine', highlighting the relatively short spines compared to other species.
Plan your tank
Check the numbers before you buy: tank volume, salinity, salt mix, water changes, and your ongoing care routine.
Keeping Serpent Starfish?
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