Scopeloberyx robustus (Günther, 1887)
Longjaw bigscale
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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Scopeloberyx robustus AquaMaps Data sources: GBIF OBIS |
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Scopeloberyx robustus
Picture by Welter-Schultes, F.
Pictures | Google image
Picture by Welter-Schultes, F.
Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) > Beryciformes (Sawbellies) > Melamphaidae (Bigscale fishes or ridgeheads)
More on author: Günther.
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range Ecology
Marine; bathypelagic; depth range 0 - 4740 m (Ref. 58018), usually 500 - ? m (Ref. 36655). Deep-water; 63°N - 50°S, 180°W - 180°E
Distribution Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Circumglobal: In tropical to temperate waters; except Arctic Ocean and Mediterranean Sea. Eastern Atlantic: Gulf of Guinea and west of the Canary Islands. Eastern Pacific: California Current region (Ref. 36655). Western Pacific: Kuril Island (Ref. 52443). South China Sea (Ref.74511).
Length at first maturity / Size / Weight / Age
Short description Identification keys | Morphology | Morphometrics
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 (Ref. 31511). Gill rakers on the first arch, 14-17 (Ref. 37108).
Body shape (shape guide): fusiform / normal.
Body shape (shape guide): fusiform / normal.
Mesopelagic and bathypelagic at 340-1200 m depth (Ref. 36665). Oviparous, with planktonic eggs and larvae (Ref. 36655). Significant morphological variation between Indo-Pacific and other populations.
Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Oviparous (Ref. 36655).
Main reference
Upload your references | References | Coordinator | Collaborators
Ebeling, A.W., 1986. Melamphaidae. p. 427-432. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4241)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Data deficient (DD) ; Date assessed: 15 July 2014
CITES
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: of no interest
FAO - Publication: search | FishSource |
More information
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycle
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Human related
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Tools
Special reports
Download XML
Internet sources
AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record
Estimates based on models
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Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.01096 (0.00451 - 0.02668), b=3.10 (2.89 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
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Trophic level (Ref. 69278) |
3.1 ±0.30 se; based on food items. |
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Resilience (Ref. 120179) |
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.). |
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Fishing Vulnerability (Ref. 59153) |
Moderate vulnerability (41 of 100). 🛈 |