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> Gobiiformes (Gobies) > Gobiidae (Gobies) > Sicydiinae
Etymology: Stiphodon: Greek, stiphos, -eos, -oys = mass + Greek, odous = teeth (Ref. 45335); julieni: Technically, the name is based on "two Juliens" and should be emended to julienorum (Ref. 46206).
Eponymy: Julien Marquet (along with Julien Keith – see preceding entry) made an extensive collection of fish in French Polynesia (particularly in the Austral Islands). [...] (Ref. 128868), visit book page.

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

; sötvatten bottenlevande; amfidrom. Tropical

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Oceania: Rapa Island in French Polynesia.

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 5.0 cm SL hane/ej könsbestämd; (Ref. 46975); 5.3 cm SL (female)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 7; Mjukstrålar i ryggfenan (totalt) : 8 - 9; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 10. Distinguished by the following characters: predorsal midline with 10-14 cycloid scales; belly with cycloid scales close to anus; lateral scales 31-36 reaching upper pectoral base; transverse series back 8-9; transverse series forward 9-12; upper jaw with 33-38 tricuspid teeth; modally 35-36; head and body ventrally dusky in males, mostly immaculate in females; pelvic disk dusky in males with dusky blotches medially; females pelvic disk generally without pigmentation (Ref. 46975).

Collected in a clear, relatively swift rainforest stream, close to the coast. Sexual dimorphism well developed: sexual dichromatic color patterns well developed in both sexes; males with longer unpaired fins (Ref. 46975).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Keith, P., R.E. Watson and G. Marquet, 2002. Stiphodon julieni, a new species of freshwater goby (Teleostei: Gobioidei: Sicydiinae) from Rapa, French Polynesia. Bull. Fr. Pêche Piscic. 364:161-171. (Ref. 46975)

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

Endangered (EN) (B1ab(iii)+2ab(iii)); Date assessed: 29 August 2011

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fiskeri: saknar intresse

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Ytterligare information

Trophic ecology
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Ecology
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Population dynamics
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Life cycle
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Resiliens (Ref. 120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).

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

Stiphodon julieni Keith, Watson & Marquet, 2002