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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).
Eponymy: Dr Paul Georg Egmont Duncker (1870–1953) was a German zoologist and ichthyologist. [...] (Ref. 128868), visit book page.
More on author: Regan.

Issue
Needs further info.

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

Freshwater; pelagic. Tropical

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Asia: Malaysia.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm

Short description Identification keys | Morphology | Morphometrics

Differs from all congeners by having the following characters: second ctenactinium with five serrae in adult males; 27 caudal vertebrae with no sexual dimorphism in the number of precaudal vertebrae; 15-20 teeth on paradentary; one and two known males are sinistral and dextral respectively (Ref. 90869).

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

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

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

Main reference Upload your references | References | Coordinator | Collaborators

Eschmeyer, W.N., 1990. Catalog of the genera of recent fishes. California Academy of Sciences, San Francisco, USA. 697 p. (Ref. 1830)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Vulnerable (VU) (B1ab(iii)); Date assessed: 17 December 2019

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

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): 3.2 ±0.3 se; based on size and trophs of closest relatives

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

Phallostethus dunckeri Regan, 1913