Longjaw bigscale
📖 Overview
Mesopelagic and bathypelagic at 340-1200 m depth . Oviparous, with planktonic eggs and larvae . Significant morphological variation between Indo-Pacific and other populations.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 2 - 3; Dorsal soft rays (total): 10 - 13; Anal spines: 1; Anal soft rays: 7 - 9; Vertebrae: 24. Dark brown body; black head, mouth, and branchial cavity; pigmented fins. Transverse rows of scales, 28 . Gill rakers on the first arch, 14-17 .: fusiform / normal.
🌀 Behaviour
Behavioural data for Longjaw bigscale is currently being reviewed.
🦐 Diet
🥚 Reproduction
Oviparous .
🌍 Habitat & Distribution
Marine; bathypelagic; depth range 0 - 4740 m , usually 500 - ? m . Deep-water; 63°N - 50°S, 180°W - 180°E west of the Canary Islands.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Melamphaes nigrescens | Brauer | 1906 | Synonym |
| Melamphaes nycterinus | Gilbert | 1915 | Synonym |
| Melamphaes robustus | Günther | 1887 | Synonym |
| Plectromus maxillaris | Townsed & Nichols | 1925 | Synonym |
| Scopeloberyx nigrescens | Brauer | 1906 | Synonym |
| Scopeloberyx nycterinus | Gilbert | 1915 | Synonym |
| Scopeloberyx opercularis | Zugmayer | 1911 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 50 records indexed .
👥 Community & Contribute
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