Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Microdesmidae
(Wormfishes) > Ptereleotrinae
Etymology: Ptereleotris: Greek, pteron = wing, fin + The name of a Nile fish, eleotris (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 3 - 60 m (Ref. 9710). Tropical
Western Atlantic: southeastern Florida, USA and throughout the Antilles (Ref. 7251), and Brazil (Ref. 40101).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm TL male/unsexed; (Ref. 9710)
Morphology | Morphometrics
(total): 6 - 7;
soft rays: 21 - 23. Body pale bluish-gray, with lavender overtones. Fins paler, greenish yellow; caudal fins rounded, moderately long. Mouth very oblique. Scales very small, about 145 in lateral series (Ref. 26938).
Found on sandy or coral rubble bottoms (Ref. 9710). Inhabits 'U-shaped' burrows. Often in pairs. Feeds on zooplankton. Hovers head down near burrow (Ref. 9710). Monogamous (Ref. 52884).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Monogamous mating is observed as both obligate and social (Ref. 52884).
Randall, J.E., 1996. Caribbean reef fishes. Third Edition - revised and enlarged. T.F.H. Publications, Inc. Ltd., Hong Kong. 3nd ed. 368 p. (Ref. 13442)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 26.4 - 28.1, mean 27.5 (based on 178 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [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), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.4 ±0.45 se; Based on food items.
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .