Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Plotosidae
Etymology: Euristhmus: Greek, eurys = long + Greek, isthmos = narrow passage (Ref. 45335).
Environment / Climate / Range
Marine; freshwater; brackish; demersal. Tropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 33.0 cm TL male/unsexed; (Ref. 3132)
Indo-West Pacific: northwestern Australia, the Arafura Sea (Ref. 9819) and Papua New Guinea. Known from the freshwater reaches of the Mekong estuary (Ref. 12693).
Occurs inshore over soft bottoms (Ref. 7300). Found along coastlines and in estuaries, including freshwater reaches. Not seen in markets (Ref. 12693).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Allen, G.R. and R. Swainston, 1988. The marine fishes of north-western Australia: a field guide for anglers and divers. Western Australian Museum, Perth. 201 p. (Ref. 3132)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00427 (0.00171 - 0.01066), b=3.08 (2.86 - 3.30), based on LWR estimates for this Family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.9 ±0.62 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (30 of 100) .