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> Acanthuriformes (Surgeonfishes) > Leiognathidae (Slimys, slipmouths, or ponyfishes) > Leiognathinae
Etymology: Leiognathus: Greek, leios = smooth + Greek, gnathos = jaw (Ref. 45335); robustus: Named for the robust nature and large size of the species when compared to all congeners except L. equulus and L. fasciatus; an adjective..

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

seewasser. Tropical

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Western Paciific: Singapore.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 18.3 cm SL Männchen/unbestimmt; (Ref. 76780)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 8; Rückenflossenweichstrahlen (insgesamt): 16; Afterflossenstacheln 3; Afterflossenweichstrahlen: 14. This species is distinguished from Leiognathus equulus (the only other species of leiognathid known to possess a non-sexually dimorphic light organ system) by the having no occipital hump (vs. pronounced hump); with a mildly sloping predorsal profile (vs. strongly curved, creating the image of an arched back); with frontal and lateral ethmoid ossifications that project anterodorsally and extend well anterior of the orbit to form a distinct preorbital protuberance (vs. slight bulge above orbit); and unexposed nuchal spine in lateral view (vs. exposed and projecting, particularly distally) (Ref. 76780).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator : Woodland, David J. | Partner

Sparks, J.S. and P.V. Dunlap, 2004. A clade of non-sexually dimorphic ponyfishes (Teleostei: Perciformes: Leiognathidae): phylogeny, taxonomy, and description of a new species. Am. Mus. Novit. 3459:1-22. (Ref. 76780)

IUCN Rote Liste Status (Ref. 130435)

Nicht untersucht

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01820 (0.00790 - 0.04194), b=3.01 (2.81 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.0 ±0.4 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (12 of 100).

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Leiognathus robustus Sparks & Dunlap, 2004