Cyclorhagida |
Echinorhagata |
Echinoderidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthic. Subtropical
Northwest Pacific: Japan.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Presence of middorsal spines on segments 6 to 10; lateral spines/tubules on segments 4, 7 to 12; lateral spines on segment 8 clearly shorter than the other lateral spines; remarkable trapezium-like subventral fields of minute cuticular hairs on segments 5 to 12. The position of numerous sensory spots, large sieve areas, glandular tubes and the shape of terminal tergal and sternal extensions; lateral terminal spines 43-47% of trunk length (Ref. 318).
Known from masses of the red algae Corallina pilulifera growing in intertidal pools (Ref. 318).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Adrianov, A.V., C. Murakami and Y. Shirayama. 2002. (Ref. 318)
IUCN Red List Status (Ref. 130435)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Tools
More information
Common namesSynonymsPredatorsReproductionMaturitySpawningFecundityEggsEgg development
Age/SizeGrowthLength-weightLength-lengthMorphologyLarvaeAbundance
Internet sources
Estimates based on models
Price category
Unknown.