Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Eleotridae
(Sleepers) > Eleotrinae
Etymology: Gobiomorphus: Latin, gobius = gudgeon + Greek, morphe = shape (Ref. 45335).
Environment / Climate / Range
Marine; freshwater; brackish; demersal; amphidromous (Ref. 51243). Subtropical; 4°C - 22°C (Ref. 13614); 34°S - 47°S
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 15.0 cm TL male/unsexed; (Ref. 13614)
Oceania: endemic to New Zealand.
Occurs in various habitats such as small hypertrophic lakes, large oligotrophic lakes and lower reaches of rivers. Amphidromous (Ref. 11115). Feeds on a wide variety of benthic invertebrates.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
McDowall, R.M., 1990. Freshwater fishes and fisheries of New Zealand -The angler's el dorado. Aquat. Sci. 2(2):281-341. (Ref. 11115)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00293 - 0.02977), b=3.03 (2.78 - 3.28), based on LWR estimates for this Subfamily-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.4 se; Based on diet studies.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Fec=200-2,000).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .