Actinopterygii (ray-finned fishes) >
Scorpaeniformes (Scorpionfishes and flatheads) >
Aploactinidae (Velvetfishes)
Etymology: Cocotropus: Greek, kokkos = berry, seed + Greek, tropsis, tropo = turning (Ref. 45335).
Environment / Climate / Range
Ecology
Marine; demersal. Temperate, preferred ?
Northwest Pacific: known only from Hachijojima, Japan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm TL male/unsexed; (Ref. 559)
Short description
Morphology | Morphometrics
Dorsal
spines
(total): 12;
Dorsal
soft rays
(total): 9;
Anal
spines: 2;
Anal
soft rays: 7;
Vertebrae: 26. Body compressed and somewhat sparsely covered with rather soft prickles. Preoperculum with 5 spines; uppermost longest with a cutting end; lowest rudimentary and embedded (Ref. 559). Snout in lateral profile concave. Streaks on body few, if any (Ref. 39602).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
More information
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
Age/SizeGrowthLength-weightLength-lengthLength-frequenciesMorphometricsMorphologyLarvaeLarval dynamicsRecruitmentAbundance
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
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Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic Level (Ref.
69278): 3.2 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref.
69278): .
Vulnerability (Ref.
59153): Low vulnerability (10 of 100) .