Classification / Names
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Teleostei (teleosts) >
Gobiiformes (Gobies) >
Gobiidae (Gobies) > Sicydiinae
Etymology: Sicyopterus: Greek, sika, sikya = cucumber + Greek, pteron = wing, fin (Ref. 45335); ocellaris: 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 11 segmented rays. A distinctive black spot at the posterior base of the first dorsal fin, including rays 4 to 6, both in males and females. Lateral scales usually 50-57, predorsal scales 16-25 and transverse forward scales 15-19 (Ref. 90225).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic; amphidromous (Ref. 90225). Tropical
Oceania: Known only from the Nuru River, northeastern Papua New Guinea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.1 cm SL male/unsexed; (Ref. 90225); 3.8 cm SL (female)
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 11 segmented rays. A distinctive black spot at the posterior base of the first dorsal fin, including rays 4 to 6, both in males and females. Lateral scales usually 50-57, predorsal scales 16-25 and transverse forward scales 15-19 (Ref. 90225).
Body shape (shape guide): fusiform / normal.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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 2025-2)
Threat to humans
Harmless
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