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Anabantiformes (Gouramies, snakeheads) >
Aenigmachannidae (Gollum snakehead fishes)
Etymology: Aenigmachanna: Name from Latin word 'aenigma', for enigma, and Channa, the genus name of Asian snakeheads; gollum: Named after the character from J. R. R. Tolkien’s books ‘The Hobbit’ and ‘The Lord of the Rings’. Gollum is a creature that went underground and during its subterranean life changed its morphological features; noun in apposition.
Eponymy: The genus and these species are named after the fictional character, Gollum, in J R R Tolkien’s The Hobbit and Lord of the Rings. [...] (Ref. 128868), visit book page.
पर्यावरण: पर्यावरण / जलवायु क्षेत्र / गहराई सीमा / वितरण सीमा
पारिस्थितिकी
; स्वच्छ जल, अलवण जल बेनथोपिलाजिक. Tropical
Asia: India.
आकार / वज़न / आयु
परिपक्व अवधि: Lm ? range ? - ? cm
Max length : 12.7 cm SL पुल्लिंग / अलिंग; (Ref. 120659)
संक्षिप्त वर्णन
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
This species is distinguished from species of Channa and Parachanna by the following unique characters among channids: very slender with maximum body depth only 11.1-11.3% SL; eel-like body with head length only 20.8-21.6% SL; a large mouth with jaw length 60.4-61.1 % HL; A 43-44; absence of a body lateral line with pored scales; scales in a lateral series 83-85; colour pattern and absence of buoyancy; differs from other channids by having 64 vertebrae, D 56-57, and absence of pelvic fins (Ref. 120401).
Cross section: circular.
The fish collected from Malappuram was in a paddy field (Ref. 120401). The fish collected from Peringara was found, at the height of summer, with the water surface in the well was at a depth of about 5 metres below the ground surface; it came to light when the water in the well, normally clear, suddenly turned muddy and the well was drained to facilitate cleaning. Peringara is situated in a large natural wetland that abuts the Kuttanad lowlands, kniwn as ‘the rice bowl’ of Kerala (Ref. 120659).
जीवन चक्र और संभोग व्यवहार
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | उपजाऊपन | लार्वा
Britz, R., V.K. Anoop, N. Dahanukar and R. Raghavan, 2019. The subterranean Aenigmachanna gollum, a new genus and species of snakehead (Teleostei: Channidae) from Kerala, South India. Zootaxa 4603(2):377-388. (Ref. 120401)
आईयूसीएन रेड लिस्ट स्थिति (Ref. 130435: Version 2025-2 (Global))
असुरक्षित (VU) (B1ab(ii,iii)+2ab(ii,iii)); Date assessed: 28 February 2020
मनुष्यों के लिए ख़तरा
Harmless
मानव उपयोग
साधन
विशेष रिपोर्ट
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इंटरनेट स्रोत
मॉडल पर आधारित अनुमान
जातिवृति विविधता सूचकांक (संदर्भ
82804): PD
50 = 1.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
ट्रॉफिक स्तर (संदर्भ
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
मछली पकड़ने की भेद्यता (Ref.
59153): Low vulnerability (10 of 100).
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