Actinopteri (ray-finned fishes) > Gobiiformes
(Gobies) > Gobiidae
(Gobies) > Amblyopinae
Etymology: Trypauchen: Greek, tryo = erode + Greek, auchen = neck (Ref. 45335).
More on authors: Bloch & Schneider.
Environment: milieu / climate zone / depth range / distribution range
Marine; brackish; demersal; amphidromous (Ref. 51243). Tropical
Indo-Pacific: Coasts of India through the Malay Archipelago to China; in the Philippines (Ref. 280); also reported from New Caledonia (Ref. 5525). Reported from South Africa (Ref. 7050).
Length at first maturity / Size / Weight / Age
Maturity: Lm 16.6  range ? - ? cm
Max length : 22.0 cm TL male/unsexed; (Ref. 4833)
Distinguished by the following: total elements in dorsal fin 50-58; total elements in anal fin 43-50; pectoral-fin rays 15-20; anal-fin pterygiophores preceding the first hemal spine 3-4; caudal
vertebral count 23-24; SL/total length 0.815-0.938; head length/SL 0.161-0.179; predorsal length/SL 0.188-0.218; prepelvic length/SL 0.157-0.175; preanal length/SL 0.308-0.362; four to 16 teeth on outer row of upper jaw; 8-13 teeth on outer row of lower jaw; longitudinal scale rows 69-98 (Ref. 058767).
Common in most coastal zones (Ref. 4833). Occurs along the bottom in tidal rivers and estuaries. Stays close to a self-dug burrow. Sometimes marketed fresh (Ref. 12693).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Talwar, P.K. and A.G. Jhingran, 1991. Inland fishes of India and adjacent countries. Volume 2. A.A. Balkema, Rotterdam. (Ref. 4833)
IUCN Red List Status (Ref. 125652)
Threat to humans
Fisheries: minor commercial
Estimates based on models
Preferred temperature (Ref. 123201
): 23.9 - 29.1, mean 28.2 °C (based on 1416 cells).
Phylogenetic diversity index (Ref. 82804
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00437 (0.00342 - 0.00556), b=2.97 (2.90 - 3.04), in cm total length, based on LWR estimates for this species (Ref. 93245
Trophic level (Ref. 69278
): 3.5 ±0.50 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (12 of 100).