Cyclorhagida |
Echinorhagata |
Echinoderidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthic; depth range 0 - 1 m (Ref. 335). Subtropical
Eastern Central Pacific: USA.
Length at first maturity / Size / Weight / Age
Maturity: Lm ? range ? - ? cm Max length : 0.0185 cm TL (female)
Mid-dorsal spines on segments 6-10, D 7 twice as long as D 6, 8, and 9, longer than D 10; lateral spines on segments 4, 7-12; lateral terminal spines long, 74.6% of the trunk length; lateral terminal accessory spines (of female) prominent, robust, 24.9% of the trunk length, 35.5% of the lateral terminal spine length; trunk relatively long and narrow, cuticle without evidence of hairs or perforation sites; posterior margin of segments with prominent pectinate fringe, especially in mid-trunk region and most apparent on ventral surface; ventral midline of segment 4 strongly cuticularized, lateroventral articulation zones suggested but not in line with zones of more posterior segments; segment 13 with apparent mid-dorsal articulation zone establishing two bilateral terminal tergal plates (Ref. 335).
Inhabits high-energy coarse beach sand (Ref. 335), or coarse calcareous sand (Refs. 1460, 335, 75777). Found in high-energy coarse beach sand (Ref. 335), or coarse calcareous sand (Refs. 1460, 335, 75777).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Adrianov, A.V., C. Murakami and Y. Shirayama 2002 Taxonomic study of the Kinorhynca in Japan. III. Echinoderes sensibilis n. sp. (Kinorhynca: Cyclorhagida) from Tanabe Bay. Zoological Science 19:463-473. (Ref. 318)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Tools
More information
Trophic EcologyFood items (preys)
Diet composition
Food consumption
Predators
Population dynamicsGrowth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycleReproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
