Bigbarb dragonfish

📖 Overview

Bigbarb dragonfish (Eustomias macronema) is a ray-finned fish of the family Stomiidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 17.2 cm. With a trophic level of 4.3, it is an apex predator. It is assessed as Least Concern on the IUCN Red List.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Anal spines: 0. Barbel length less than 20% of standard length; barbel with 5 branches apparently arising together from stem; lateralmost pair of branches, which actually arise from base of mediolateral pair, usually shortest; mediolateral pair usually longest; diameter of stem distal to branches greater than that proximal to branches; stem solidly pigmented, pigment extending onto dorsal surface of terminal bulb; terminal bulb elongate and with an unpigmented tip usually directed dorsally; swollen ventrally, its length 2.0 - 2.5 times its thickness; a single terminal filament arising ventral to bulb tip, usually about as long as distal barbel, but occasionally minute.: elongated.

🌀 Behaviour

Behavioural data for Bigbarb dragonfish is currently being reviewed.

🦐 Diet

Diet information for Bigbarb dragonfish is currently being compiled.

🥚 Reproduction

🌍 Habitat & Distribution

Marine; bathypelagic. Deep-water; 35°S - 49°S, 54°W - 154°W known from the Indian and Pacific oceans.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 4 records indexed .

👥 Community & Contribute