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> Gobiiformes (Gobies) > Microdesmidae (Wormfishes) > Ptereleotrinae
Etymology: Ptereleotris: Greek, pteron = wing, fin + The name of a Nile fish, eleotris (Ref. 45335); brachyptera: Named for the very low first dorsal fin..
More on authors: Randall & Suzuki.

Environment: milieu / climate zone / depth range / distribution range Ecologia

marino associati a barriera corallina; distribuzione batimetrica 20 - 38 m (Ref. 75638). Tropical

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

Western Central Pacific: Palau, Brunei and Marshall Islands.

Size / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 5.4 cm SL maschio/sesso non determinato; (Ref. 75638); 5.8 cm SL (female)

Short description Chiavi di identificazione | Morfologia | Morfometria

Spine dorsali (totale) : 7; Raggi dorsali molli (totale) : 23 - 25; Spine anali: 1; Raggi anali molli: 22 - 24. This species is characterized by the following features: D VI + I, 23-25; A I, 22-24; pectoral rays 22 or 23; cycloid scales, nonimbricate, 135-139 oblique rows in longitudinal series on body; gill rakers 6-7 + 18-19; body depth 6.95-7.6 in SL; head length 4.2-4.6 in SL; chin with a low median fleshy ridge, narrowing to a thin convoluted ridge; first dorsal fin very low, the spines strongly curved posteriorly, only the last with a short free tip; fifth dorsal spine longest, 2.05-2.7 HL; caudal fin slightly rounded to slightly emarginate with rounded lobes, 4.3-4.65 in SL; pelvic fins 4.45-4.65 in SL; alcohol preserved color pale tan, with a dusky zone between upper lip and orbit; when fresh color is pale lavender-gray dorsally, becoming white on abdomen and cheek, 2 broad bluish gray stripes, a dorsal one posterior to middle of first dorsal fin, and a ventral one above anal fin, separated by a narrow zone of pale lavender-gray; median fins are pale lavender-blue basally, translucent distally; pelvic fins mainly pale blue; pectoral fins translucent, with a narrow red bar at base (Ref. 75638).

Collected from lagoons on silty sand and rubble substrata (Ref. 75638).

Life cycle and mating behavior Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve

Main reference Upload your references | Bibliografia | Coordinatore : Randall, John E. | Collaboratori

Randall, J.E. and T. Suzuki, 2008. Three new species of dartfishes of the gobioid genus Ptereleotris from the western Pacific. aqua, Int. J. Ichthyol. 14(2):89-100. (Ref. 75638)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 12 March 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Trophic ecology
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Ecology
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Estimates based on models

Preferred temperature (Ref. 123201): 28 - 28.7, mean 28.2 °C (based on 38 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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): 3.3 ±0.4 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Ptereleotris brachyptera Randall & Suzuki, 2008