Four-eyes perchlet
📖 Overview
Four-eyes perchlet (Plectranthias normanby) is a ray-finned fish of the family Anthiadidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 2.7 cm. It occurs at depths between 105 and 480 metres. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 12; Dorsal soft rays (total): 13; Anal spines: 3; Anal soft rays: 7. This species is distinguished by the following characters: D XII,13, no dorsal-fin rays filamentous, the fourth dorsal-fin spine the longest, the spine length 2.25-2.34 in head; A III, 7; pectoral-fin rays 13, none branched; branched caudal fin emarginate without filamentous rays; branched caudal-fin rays 13; anterior half of interorbital space scalelesss; gill rakers 7 + 10-11; posterior margin of preopercle with 11-19 serrae, lower margin with 2 antrorse spines; lateral line incomplete, 17 tubed scales; scales above lateral line to origin of dorsal fin 3½; scales below lateral line to origin of anal fin 9; circumpeduncular scales 14; cheek with about 5 diagonal rows of large scales; sides of body with a large, round black blotch, caudal peduncle with two dark brown spots .Cross section: compressed.
🌀 Behaviour
Behavioural data for Four-eyes perchlet is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; reef-associated; depth range 105 - 480 m . Tropical
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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