Causse's scorpionfish

📖 Overview

Causse's scorpionfish (Pteroidichthys caussei), first described by Motomura & Kanade, 2015 is a tiny fish. Adults typically reach 4.50 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 68 to 122 metres. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 12; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 6. This species is distinguished by the following characters: A II,6; dorsal-fin spines are rigid; relatively short snout, its length 12.3-17.2% (mean 15.1%) of SL, and is shorter than postorbital length; posterior margin of the maxilla reaching beyond vertical through middle of pupil; the distance between tips of lateral lacrimal and first suborbital spines is shorter than between tips of first and second suborbital spines; no supplemental preopercular spine; tentacles on supraocular and posterior lacrimal spines are well developed, their lengths greater than orbit diameter; trunk and fins with numerous tentacles; lateral lacrimal and suborbital spines poorly are developed, indistinct, usually tiny spines and often bony protuberances without pointed tips; without the distinct black blotch on soft-rayed portion of dorsal fin .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Causse's scorpionfish is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; demersal; depth range 68 - 122 m . Tropical; 5°S - 27°S, 155°E - 135°W Pacific Ocean: New Caledonia and Marquesas Is.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

📊 Population Risk & Fisheries

🐠 Related Species

👥 Community & Contribute