Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Ovalentaria/misc (Various families in series Ovalentaria) >
Pseudochromidae (Dottybacks) > Pseudoplesiopinae
Etymology: Pseudoplesiops: Greek, pseudes = false + Greek, plesios = near (Ref. 45335); umbrosus: Name 'umbrosus' from the Latin word meaning 'shady', in allusion to the relatively dusky coloration of the new species.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 10 - 16 m (Ref. 138052). Subtropical
Western Pacific: Japan, Indonesia, Papua New Guinea, and Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.5 cm SL male/unsexed; (Ref. 138052)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 1; Dorsal soft rays (total): 22 - 23; Anal spines: 1 - 2; Anal soft rays: 14 - 15; Vertebrae: 28. This species is distinguished from its congeners by the following set of characters: D I, 22 or 23 (usually 23); A I or II (rarely), 14 or 15 (I, 14); precaudal vertebrae 11; scales in lateral series 26 or 27 (27): predorsal scales 7 or 8 (7); predorsal scales anterior to anterodorsal parietal pores 2 or 3 (2); scales with distinct circular and radial striae (surrounding the former); dorsal- and anal-fin membranous margins not or barely incised between rays; body relatively deep, its depth at dorsal-fin origin 24.9-28.9 (means 26.5) % of SL; snout relatively long, its length 5.5-7.4 (6.5) % of SL; prepelvic length 30.5-34.7 (32.1) % of SL; anal-fin base length 29.9-36.0 (32.7) % of SL; body and all fins (except for distal edges and pectoral fin) generally brown to yellow when fresh; and orbital ridge margined with dark brown (except anterodorsally) (Ref 138052).
Body shape (shape guide): elongated; Cross section: compressed.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Fujiwara, K., A.C. Gill, H. Endo, Shibukawa. K. and H. Motomura, 2025. Taxonomic review of the dottyback genus Pseudoplesiops in Japanese waters, with descriptions of two new species (Pseudochromidae: Pseudoplesiopinae). Ichthyol. Res. 1-22. (Ref. 138052)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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