Pseudoscopelus Altipinnis
📖 Overview
Pseudoscopelus Altipinnis (Pseudoscopelus altipinnis) is a ray-finned fish of the family Chiasmodontidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 20 cm. It occurs at depths between 30 and 2390 metres. With a trophic level of 3.8, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List. Valued as a sport fish.
🔬 Taxonomy
🐟 Physical Description
Dorsal soft rays (total): 21 - 23; Anal soft rays: 20 - 24; Vertebrae: 36 - 38. This species can be distinguished from P. paxtoni by dentition and photophore pattern with innermost premaxillary teeth in mesial row not extremely elongated, when mouth is closed teeth not reaching the contralateral premaxilla (vs. innermost premaxillary teeth in mesial row very elongate, reaching contralateral premaxilla when mouth is closed); teeth of mesial row of premaxilla and internalmost row of dentary slightly curved (vs. teeth of mesial rows of premaxilla and internalmost row of dentary straight); mesial series of premaxillary teeth arranged in transverse rows of 1-5 rows of teeth (vs. mesial series of premaxillary teeth arranged in transverse rows of 1-3 rows of teeth) .: fusiform / normal.
🌀 Behaviour
Behavioural data for Pseudoscopelus Altipinnis is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; bathypelagic; depth range 30 - 2390 m , usually 50 - 1870 m . Deep-water; 46°N - 36°S, 0°E - 0°W Atlantic Ocean (from 46°N-36°S, 7°W-88°W).
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🎣 Angling Guide
- medium-heavy 7ft spinning rod
- 30-50 lb braid
- fluorocarbon leader
- grass flats
- oyster bars
- marsh drains
- deeper channel edges
Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.
⚠️ Slot limits protect breeding-size fish. Verify daily bag limits.
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Pseudoscopelus microps | Fowler | 1934 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 63 records indexed .
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