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Scymnodon - Species in
Somniosidae - - Classification -
- Somniosidae
- Squaliformes
- Elasmobranchii
- Chordata
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Scymnodon macracanthus (Regan, 1906)
Largespine velvet dogfish
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Scymnodon macracanthus
Female picture by Duffy, C.
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Female picture by Duffy, C.
Classification / Names आम नाम | उपशब्द | Catalog of Fishes(वर्ग, प्रजाति) | ITIS | CoL | WoRMS | Cloffa
इलाज़मौबरांकी (शारक और रेज़) (sharks and rays) > Squaliformes (Sleeper and dogfish sharks) > Somniosidae (Sleeper sharks)
Etymology: Scymnodon: scymnus, an ancient name for some kind of shark, derived from a Greek word meaning young animal, cub or whelp; odon (Gr.), tooth, referring to large, triangular cutting teeth on lower jaw of S. ringens (See ETYFish); macracanthus: macro-, from makros (Gr.), long or large; acanthus (L.), from akantha (Gr.), thorn, referring to stout, prominent dorsal-fin spines (See ETYFish).
More on author: Regan.
Etymology: Scymnodon: scymnus, an ancient name for some kind of shark, derived from a Greek word meaning young animal, cub or whelp; odon (Gr.), tooth, referring to large, triangular cutting teeth on lower jaw of S. ringens (See ETYFish); macracanthus: macro-, from makros (Gr.), long or large; acanthus (L.), from akantha (Gr.), thorn, referring to stout, prominent dorsal-fin spines (See ETYFish).
More on author: Regan.
Environment: milieu / climate zone / depth range / distribution range पारिस्थितिकी
समुद्री बाथीड़िमरसल; गहराई सीमा 219 - 1550 m (Ref. 6871), usually 550 - 732 m (Ref. 247). Deep-water; 50°S - 54°S
वितरण देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | Point map | भूमिका | Faunafri
Indo-Pacific: southern distribution, discontinuous across Pacific and Indian Oceans.
Length at first maturity / आकार / वज़न / Age
Maturity: Lm 149.5, range 129 - 170 cm
Max length : 131 cm TL पुल्लिंग / अलिंग; (Ref. 247); 170.0 cm TL (female)
Max length : 131 cm TL पुल्लिंग / अलिंग; (Ref. 247); 170.0 cm TL (female)
Short description पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय रीढ़ (सम्पूर्ण) : 2; गुदा कांटा: 0. Dark brown or blackish in color, dorsal fins with fairly prominent fin spines, moderately long snout, lanceolate upper teeth and bladelike lower teeth with short, oblique cusps, stocky body that tapers abruptly from pectoral region, and moderately large tricuspidate and tricarinate lateral trunk denticles (Ref. 247).
A rare species inhabiting lower continental slopes (Ref. 26346), also on insular slopes in large schools near the bottom which are segregated according to size and sex, and feeds on cephalopods and bony fishes (Ref. 247). Up to 36 young in a litter, ths size at birth between 32 and 36 cm (Ref. 247). Used for fishmeal and liver oil (Ref. 6871). Minimum depth from Ref. 247. Ovoviviparous (Ref. 205).
Life cycle and mating behavior परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Main reference
Upload your references | संदर्भ | संयोजक | सहयोगीयो
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Data deficient (DD) ; Date assessed: 04 July 2017
CITES
Not Evaluated
Threat to humans
Harmless
Human uses
मात्स्यिकी: कोई रुचि बग़ैर
FAO - Publication: search | FishSource |
अधिक जानकारी
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
भर्ती
बहुतायत
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
भर्ती
बहुतायत
Life cycle
पुनरुत्पत्ति
परिपक्व अवधि
Maturity/Gills rel.
Fecundity
मछलीऔ का अंडे देना
Spawning aggregations
अंडे
Egg development
लार्वा
लारवल गतिकी
पुनरुत्पत्ति
परिपक्व अवधि
Maturity/Gills rel.
Fecundity
मछलीऔ का अंडे देना
Spawning aggregations
अंडे
Egg development
लार्वा
लारवल गतिकी
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)
Genetics
आनुवंशिकी
Heterozygosity
हैरेटिबिलटी
आनुवंशिकी
Heterozygosity
हैरेटिबिलटी
Human related
Aquaculture systems
जलीयकृषि रूपरेखाऐ
खींच
Ciguatera cases
Stamps, coins, misc.
Aquaculture systems
जलीयकृषि रूपरेखाऐ
खींच
Ciguatera cases
Stamps, coins, misc.
साधन
E-book | कार्यक्षेत्र पथप्रदर्शक | लंबाई आवृति इंद्रजालिक | जीवन-इतिहास उपकरण | बिन्दु नक्शा | Classification Tree
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Special reports
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Summary page | Point data | आम नाम | Photos
इंटरनेट स्रोत
AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: वर्ग, प्रजाति | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, खोज | World Records Freshwater Fishing | Zoological Record
Estimates based on models
Phylogenetic diversity index (Ref. 82804): PD50 = 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00372 (0.00220 - 0.00627), b=3.12 (2.98 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278): 4.5 ±0.59 se; based on food items.
लौटाव (Ref. 120179): निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153): Very high vulnerability (90 of 100).