Gollum suluensis, Sulu Gollumshark

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Gollum suluensis Last & Gaudiano, 2011

Sulu Gollumshark
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Image of Gollum suluensis (Sulu Gollumshark)
Gollum suluensis
Female picture by Last, P.R./Gaudiano, J.P.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (sharks and rays) > Carcharhiniformes (Ground sharks) > Pseudotriakidae (False catsharks)
Etymology: Gollum: Taken from a personnage of the J.R.R.Tolkien works "The Lord of the rings";  suluensis: Named in reference to the Sulu Sea, an important marine region of the southern Philippines with a rich biodiversity, which is also the type locality of this shark. The epithet suluensis established here has been used previously in combination with Gollum in biodiversity lists (i.e. Global Biodiversity Information Facility Data Portal and Global Names Index, GBIF, 2011), presumably based on holdings of the museums and collections web site for Philippine specimens. However, prior to its use herein, the name was not available (nomen nudum) as it failed to meet requirements of Article 13 of the code International Code of Zoological Nomenclature, 1999 (i.e. lacking a definition or description, as well as a designated type specimen).  More on authors: Last & Gaudiano.

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

; seewasser benthopelagisch; tiefenbereich - m (Ref. ), usually - m (Ref. ).   Tropical; 0°C -

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Known only from off Palawan Island (Philippines) in the western sector of the Sulu Sea basin; collected on the insular slope at about 730 m depth (Ref. 87759).

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 58.5 cm SL Männchen/unbestimmt; (Ref. 87759)

Kurzbeschreibung Morphologie | Morphometrie

A small species of Gollum with the following combination of characters: body soft; head bell-shaped with a broadly parabolic snout; direct preorbital snout length 2.1–2.4 times eye length; preoral length 0.8–1.0 of mouth width, 1.3 times prenarial length; eye 1.4–1.5 times nostril length, more than 4.8 times spiracle length; head relatively broad, 12–14% TL; direct preorbital snout length 1.2–1.4 times interorbital space; head length 2.3–2.6 times mouth width, 8.0–9.0 times nostril width, 3.0–3.5 times preventral caudal-fin margin; length of pectoral-fin anterior margin 2.2–2.5 times its base; first dorsal-fin inner margin 0.5–0.6 of pectoral-fin base; second dorsal-fin base 10–12% TL; ventral head dusky, not strongly contrasted with dorsal surface along its lateral margin; posterior edges of dorsal fins not excessively concave; tips of dorsal fins dark; ventral margin of caudal fin dusky, not strongly contrasted with rest of fin; mouth dark; monospondylous centra 44–45, diplospondylous centra 107–109, total centra 151–154 (Ref. 87759).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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Last, P.R. and J.P. Gaudiano, 2011. Gollum suluensis sp. nov. (Carcharhiniformes: Pseudotriakidae), a new gollumshark from the southern Philippines. Zootaxa 3002:17-30. (Ref. 87759)

IUCN Rote Liste Status (Ref. 124695)

  nicht bedroht (LC) ; Date assessed: 22 November 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

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Internet Quellen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes: Gattung, Arten | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: Genom, 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: Gehe zu, Suchen | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.8125   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00139 - 0.00949), b=3.12 (2.89 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  4.0   ±0.4 se; based on size and trophs of closest relatives
Widerstandsfähigkeit
Verwundbarkeit (Ref. 59153):  Moderate to high vulnerability (47 of 100) .