Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Microdesmidae
(Wormfishes) > Ptereleotrinae
Etymology: Nemateleotris: Greek, nema, -atos = filament + The name of a Nile fish, eleotris (Ref. 45335). More on author: Randall.
Environment / Climate / Range
Marine; reef-associated; depth range 25 - 70 m (Ref. 1602), usually 25 - 70 m (Ref. 27115). Tropical; 23°C - 27°C (Ref. 27115); 30°N - 23°S
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 9.0 cm TL male/unsexed; (Ref. 9710)
Indo-Pacific: Mauritius to Samoa, north to Ryukyu Islands, south to New Caledonia.
Found over hard, open bottoms at the bases of reefs and over sand and rubble patches (Ref. 1602); also observed in deep coastal to outer reef drops-offs subject to strong currents (Ref. 48637). Often in pairs (Ref. 1602). Monogamous (Ref. 52884). Feeds on zooplankton, especially copepods and crustacean larvae. Darts into a hole when alarmed (Ref. 1602). Minimum depth reported from Ref. 27115.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Randall, J.E., G.R. Allen and R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
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
= 0.6250 [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), based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.1 ±0.19 se; Based on food items.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .