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Teleostei (teleosts) > Gobiiformes (Gobies) > Gobiidae (Gobies) > Sicydiinae
Etymology: Sicyopterus: Greek, sika, sikya = cucumber + Greek, pteron = wing, fin (Ref. 45335); erythropterus: The name of the species is derived from the Greek åñõèñïæ (eruthros) red, and ðôåñõæ (pteron), fin, to characterise its red anal fin (Ref. 90225).

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

Freshwater; benthopelagic; amphidromous. Tropical

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Asia: Known only from the Tirawiwa River, a major tributary of the Wapoga River, which flows into the eastern side of Cenderawasih Bay, Papua Province in Indonesia.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 6.8 cm SL male/unsexed; (Ref. 90225)

Short description Identification keys | Morphology | Morphometrics

A Sicyopterus with three clefts (one anteriorly and two midlaterally) on upper lip, with smooth lip and with a second dorsal fin with 1 spine and 10 segmented rays. The sexual dimorphism is well developed with males with fewer scales in LS (51-55 vs. 56-58) and PD (0-15 vs. 19-26) and less teeth in lower jaw (3-6 vs. 7-9) than females. A distinctive red pattern on the anal fin, more or less marked. Caudal fin branched rays 12-13 (Ref. 90225).

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

Main reference Upload your references | References | Coordinator | Collaborators

Keith, P., G. Allen, C. Lord and R. Hadiaty, 2011. Five new species of Sicyopterus (Gobioidei: Sicydiinae) from Papua New Guinea and Papua. Cybium 35(4):299-318. (Ref. 90225)

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

Near Threatened (NT) (B1ab(iii)); Date assessed: 17 February 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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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=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

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

Sicyopterus erythropterus Keith, Allen & Lord, 2012