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Ptereleotris crossogenion  Randall & Suzuki, 2008

Fringechin dartfish
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Image of Ptereleotris crossogenion (Fringechin dartfish)
Ptereleotris crossogenion
Female picture by Randall, J.E.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Microdesmidae (Wormfishes) > Ptereleotrinae
Etymology: Ptereleotris: Greek, pteron = wing, fin + The name of a Nile fish, eleotris (Ref. 45335);  crossogenion: Named for the slender papillae that form a fringe on the chin..   More on author: Randall.

Environment / Climate / Range Ecology

Marine; reef-associated; depth range ? - 27 m (Ref. 75638).   Tropical, preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Pacific: Papua New Guinea.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 4.1 cm SL (female)

Short description Morphology | Morphometrics

Dorsal spines (total): 7; Dorsal soft rays (total): 24; Anal spines: 1; Anal soft rays: 23; Vertebrae: 26. This species is characterized by the following: D VI + I, 24; A I, 23; pectoral rays 22; cycloid scales, nonimbricate except posteriorly, about 152 oblique rows in longitudinal series; median predorsal scales absent; gill rakers 6 + 17; body depth 5.95 in SL; barbel on chin absent, only a low median fleshy ridge; a fringe of slender elongate papillae along side of lower jaw; first dorsal fin low, with curved spines, only the last with free tip; fifth dorsal spine longest, 1.85 in HL; caudal fin is slightly emarginate with rounded lobes, shorter than head, 4.9 in SL; pelvic fins short, 6.2 in SL; alcohol preserved specimens are pale tan with no dark markings except a faint dusky zone below nostrils between upper jaw and orbit; color of live individuals with two broad dusky stripes separated by a narrow pale midlateral stripe; lower dusky stripe expanding into a broad band in caudal fin, with a blackish spot at base; distal part of caudal fin yellow (Ref. 75638).

Biology     Glossary (e.g. epibenthic)

Collected from silty sand and rubble in 27 m depth in the lagoon (Ref. 75638).

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

Main reference Upload your references | References | Coordinator : Randall, John E. | Collaborators

Randall, J.E. and T. Suzuki, 2008. Three new species of dartfishes of the gobioid genus Ptereleotris from the western Pacific. Aqua Int. J. Ichthyol. 14(2):89-100. (Ref. 75638)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

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