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Anguilliformes (Eels and morays) >
Ophichthidae (Snake eels) > Ophichthinae
Etymology: Yirrkala: Named for its type locality Yirrkala, Caledon Bay, Gulf of Carpentaria, Queensland, Australia; ori: Named for the Oceanographic Research Institute of South Africa, which collected these and many other valuable specimens.
Eponymy: This is an acronym for the Oceanographic Research Institute (ORI) of South Africa, honoured for its contributions to the ichthyology of South African waters. Its research vessel David Davies collected the type of the whiptail. (Ref. 128868), visit book page.
More on author: McCosker.
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক তলদেশ বিহারী; গভীরতার পরিসীমা ? - 20 m (Ref. 86861). Subtropical
Western Indian Ocean: South Africa.
আকৃতি / ওজন / Age
Maturity: Lm ?  range ? - ? cm
Max length : 43.8 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 86861); 35.3 cm TL (female)
Short description
সনাক্তকারী নির্দেশক | বহিঃ অঙ্গ সংস্থান | মরফোমেট্রিক্স
কশেরুকা : 149 - 152. This species is distinguished by the following set of characters: head 6.2-6.7% TL; tail 50% TL; dorsal-fin origin nearly above gill openings; eye behind middle of upper jaw; supraorbital pores 4; teeth conical, minute, uniserial on jaws and vomer; colour yellowish, slightly darker dorsally; total vertebrae 149-152; mean vertebral formula 6.5-74-150 (n=4) (Ref. 86861).
Inhabits coarse sand substrate (Ref. 86861).
Life cycle and mating behavior
পরিপক্কতা | প্রজনন | ডিম ছাড়া | ডিমসমূহ | ডিম্বধারন ক্ষমতা | শুককীট
McCosker, J.E., 2011. Two new Indo-Pacific species of the sand-eel genus Yirrkala (Anguilliformes: Ophichthidae). Smithiana Bulletin 13:45-50. (Ref. 86861)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
হাতিয়ার
Special reports
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ইন্টারনেট সুত্র
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00091 (0.00039 - 0.00215), b=2.99 (2.79 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
স্থিতিস্থাপক (Ref.
120179): উচ্চ, সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৫ মাস (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).