Classification / Names
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Gobiiformes (Gobies) >
Gobiidae (Gobies) > Amblyopinae
Etymology: Pseudotrypauchen: Greek,pseudes = false + Greek, tryo = erode + Greek, auchen = neck (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce; saumâtre démersal. Tropical
Asia: India, Malaysia, and Sumatra, Indonesia.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 9.0 cm SL mâle / non sexé; (Ref. 45319)
Description synthétique
Morphologie | Morphométrie
Épines dorsales (Total): 6; Rayons mous dorsaux (Total): 30-33; Épines anales 1; Rayons mous anaux: 29 - 31; Vertèbres: 27. Eyes rudimentary but distinct, covered by skin, approximately equal in size to diameter to posterior naris. Interorbital broad. Mouth large, jaws ending posteriorly well beyond a vertical with posterior margin of eye. Short, compressed and gently rounded teeth in outermost row in both jaws; number of teeth in outer row of upper jaw 10-19, of lower jaw 22-42; fang-like teeth and symphysial canines absent. Outer surface of opercular bones with numerous minute cavities. Ventral surface of each side of lower jaw with 2-3 pairs of short, thin barbels. Head and body compressed; except for snout and ventral surface of lower jaw, are covered with large cycloid scales, embedded, non-imbricated, largest posteriorly. Pectoral fins longer than pelvic fins (113-203% of pelvic length) and pointed posteriorly; all pectoral-fin rays simple, free from fin membrane (except for some of the ventralmost rays). First 2 pterygiophores of 2nd dorsal fin separated by a neural spine. Spinous dorsal-fin pterygiophore formula 3-12210. Caudal fin long, more than twice HL (Ref. 45319).
Collected by trawl in 9-12 fathoms over muddy bottom. Associated fishes include Saurida, Platycephalus, , Kuhlia, Trichiurus, Aluterus, Lagocephalus, apogonids, and cynoglossids (Ref. 45319).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Murdy, E.O. and K. Shibukawa, 2002. Redescription of the gobiid fish genus Pseudotrypauchen (Gobiidae: Amblyopinae) and its significance in amblyopine phylogeny. Mar. Freshwater Res. 53:253-258. (Ref. 45319)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00194 - 0.01029), b=2.99 (2.80 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
