Sunset dottyback

📖 Overview

Sunset dottyback (Pseudoplesiops occasus), first described by Fujiwara & Motomura, 2025 is a tiny fish in the family Pseudochromidae (order Perciformes). Adults typically reach 2.70 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 10 to 15 metres. It occurs in Subtropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 22; Anal spines: 1; Anal soft rays: 13 - 14. This species is distinguished from its congeners by the following set of characters: D I, 22; A I, 13 or 14; precaudal vertebrae 11; scales in lateral series 27 or 28; predorsal scales 9-11; predorsal scales anterior to anterodorsal parietal pores 4 or 5; scales with distinct circular and radial striae (surrounding the former); dorsal- and anal-fin membranous margins deeply incised between rays; body depth moderate, its depth at dorsal-fin origin 23.6-25.2% of SL; snout moderate, its length 5.3-5.9% of SL; prepelvic length 27.6-31.6% of SL; anal-fin base length 30.2-33.3% of SL; body and all fins (except for distal edges and pectoral fin) generally red or reddish-orange when fresh; and small, dorsoventrally elongated black blotch just behind eye (Ref 138052).: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Sunset dottyback is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; reef-associated; depth range 10 - 15 m . Subtropical Northwest Pacific: Japan.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

👥 Community & Contribute