Eustomias Pacificus

📖 Overview

Eustomias Pacificus (Eustomias pacificus) 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 15.7 cm. It occurs at depths between 0 and 1000 metres. 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 soft rays (total): 24; Anal soft rays: 39; Vertebrae: 69. A single, ovoid terminal bulb 0.8-1.8% SL, with nipple-like distal protuberance. Barbel 41-58% SL. A single but complex terminal filament with 2 long branches arising together near its base, followed by 1-5 large bulblets, then by 2 shortest branches arising together, each usually with a prominent large bulblet; all branches and the main filament with numerous, prominent small bulblets. Filament length 12% SL. Axis of stem lightly or unpigmented; a prominent, wide, black circle forming a cap at base of terminal bulb. External chevron-shaped or roundish striated areas unpigmented. Middorsal paired spots between occiput and dorsal-fin origin usually 7, sometimes 8. Anterior margin of fleshy orbit with a distinct slender pedicel extending posteriorly over the eye .: elongated.

🌀 Behaviour

Behavioural data for Eustomias Pacificus is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; bathypelagic; depth range 0 - 1000 m . Deep-water Central Pacific: off Oahu, Hawaiian Islands and from 21°N, 144°W.

🌿 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) - 2 records indexed .

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