Squalus altipinnis, Western highfin spurdog

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Squalus altipinnis Last, White & Stevens, 2007

Western highfin spurdog
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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) > Squalidae (Dogfish sharks)
Etymology: Squalus: Genus name from Latin 'squalus' meaning shark (Ref. 6885, 27436);  altipinnis: Name from Latin 'altus' for high and 'pinna' for fin, referring to the upright dorsal fin, typical of members in this 'highfin megalops group'.  More on authors: Last, White & Stevens.

Environment: milieu / climate zone / depth range / distribution range पारिस्थितिकी

; समुद्री; गहराई सीमा ? - 305 m (Ref. 58440).   Tropical

वितरण देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | Point map | भूमिका | Faunafri

Eastern Indian Ocean: off NW Australia.

आकार / वज़न / Age

Maturity: Lm ?  range ? - ? cm
Max length : 58.9 cm TL पुल्लिंग / अलिंग; (Ref. 58440)

Short description आकृति विज्ञान | मौरफोमैटरिक्स

This species of the 'highfin megalops group' is distinguished by the following set of characters: abdomen depth 9.0-10.6% TL; pre-vent length 48.6-49.2% TL, about 2.5 times dorsal caudal margin; pre-second dorsal length 4.3-4.4 times pectoral-fin anterior margin, about 3.1 times dorsal caudal margin; head width about 1.5 times abdomen width; preoral length 2.9-3.2 times horizontal prenarial length, about 8.7% TL; head length 4.4-4.7 times eye length; mouth width 3.1-3.3 times length of upper labial furrow; interorbital width about 1.5 times horizontal preorbital length; fifth gill slit height 2.2-2.5% TL; strongly bifurcated anterior nasal flap; first dorsal fin upright, upper posterior margin directed posteroventrally, greatest concavity slightly closer to free rear tip than fin apex; posterior margin of second dorsal fin deeply concave; second dorsal-fin spine with a broad base; pectoral fin not falcate, anterior margin short, 13.9-14.1% TL; dorsal surface slightly darker than ventral surface, but tones not sharply demarcated on side of head; dorsal fins pale with paler tips; first dorsal-fin spine darker than base of soft portion of dorsal fin; caudal fin has a broad white posterior margin, caudal bar absent; flank denticles are weakly to moderately tricuspid; monospondylous centra 42-44, precaudal centra 88-92, total centra 114-120 (Ref. 58440).

जीवविज्ञान     शब्द संग्रह (उदाहरणार्थ epibenthic)

Life cycle and mating behavior परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा

Distinct pairing with embrace (Ref. 205).

Main reference Upload your references | संदर्भ | संयोजक : Compagno, Leonard J.V. | सहयोगीयो

Last, P.R., W.T. White and J.D. Stevens, 2007. New species of Squalus of the 'highfin megalops group' from the Australasian region. p. 39-53. In P.R. Last, W.T. White and J.J. Pogonoski Descriptions of new dogfishes of the genus Squalus (Squaloidea:Squalidae). CSIRO Marine and Atmospheric Research Paper No. 014. 130 p. (Ref. 58440)

IUCN Red List Status (Ref. 123251)

  Data deficient (DD) ; Date assessed: 02 August 2018

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

अधिक जानकारी

देश
ऐफ ऐ ओ क्षेत्र
Ecosystems
संयोग
भूमिका
Stocks
पारिस्थितिकी
आहार
खाद्य पदार्थ
आहार खपत
खोराक
आम नाम
उपशब्द
चपायचय
परभक्षी
ईकोटोकसीकोलौजी
पुनरुत्पत्ति
परिपक्व अवधि
मछलीऔ का अंडे देना
Spawning aggregation
Fecundity
अंडे
Egg development
Age/Size
बाढ़
Length-weight
Length-length
Length-frequencies
मौरफोमैटरिक्स
आकृति विज्ञान
लार्वा
लारवल गतिकी
भर्ती
बहुतायत
BRUVS
संदर्भ
जलीयकृषि
जलीयकृषि रूपरेखा
खींच
आनुवंशिकी
ऐल्लि आवृतियाँ
हैरेटिबिलटी
बीमारी
प्रक्रमण
Nutrients
Mass conversion
सहयोगीयो
तस्वीरे
Stamps, Coins Misc.
ध्वनि
सिगुयटिरा
रफ्तार
तैरने के प्रकार
गिल क्षेत्र
Otoliths
दिमाग
दृष्टि

साधन

Special reports

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इंटरनेट स्रोत

Aquatic Commons | BHL | Cloffa | 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 | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00339 (0.00157 - 0.00730), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  4.1   ±0.4 se; based on size and trophs of closest relatives
लौटाव (Ref. 120179):  निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  High vulnerability (60 of 100) .