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Teleostei (teleosts) > Atheriniformes (Silversides) > Phallostethidae (Priapiumfishes)
Etymology: Phallostethus: Greek, phallos = penis + Greek, stetho, stethion = brest; literal = to prick a little breast (Ref. 45335).

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

Marine; brackish; pelagic-neritic. Tropical

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Western Pacific: Borneo.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 2.7 cm SL male/unsexed; (Ref. 12769); 2.8 cm SL (female)

Short description Identification keys | Morphology | Morphometrics

Differs from all congeners by having the following characters: second ctenactinium with eight serrae in adult males; 28 caudal vertebrae with no sexual dimorphism in the number of precaudal vertebrae; 28 or more teeth on paradentary; all males are sinistral (Ref. 90869).

Fertilization is internal and eggs are attached to the substrate via adhesive filaments (Ref. 43413).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Pelvic fins in males are modified to form part of a complex thoracic clasping organ (Ref. 205).

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Parenti, L.R., 1996. Phylogenetic systematics and biogeography of phallostethid fishes (Atherinomorpha, Phallostethidae) of northwestern Borneo, with description of a new species. Copeia 1996(3):703-712. (Ref. 12769)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 21 January 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 28.2 - 29.1, mean 28.7 °C (based on 198 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.1 ±0.3 se; based on size and trophs of closest relatives

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

Phallostethus lehi Parenti, 1996