Classification / Names
आम नाम | उपशब्द | Catalog of Fishes(वर्ग, प्रजाति) | ITIS | CoL | WoRMS | Cloffa
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Osteoglossiformes (Bony tongues) >
Mormyridae (Elephantfishes)
Etymology: Petrocephalus: Latin, petra = stone + Greek, kephale = head (Ref. 45335).
Eponymy: Professor Dr Franz Ludwig Stuhlmann (1863–1928) was a German zoologist and explorer who collected in East Africa (1888–1900). [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / गहराई सीमा / distribution range
पारिस्थितिकी
; स्वच्छ जल, अलवण जल ड़िमरसल. Tropical
Africa: rivers Ruvu [= Kingani](Ref. 91771) and Wami (Ref. 96601) in Tanzania.
आकार / वज़न / Age
परिपक्व अवधि: Lm ? range ? - ? cm
Max length : 7.9 cm SL पुल्लिंग / अलिंग; (Ref. 91771)
Short description
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय रीढ़ (सम्पूर्ण) : 0; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 19 - 22; गुदा कांटा: 0; ऐनल सौफट रेज़: 25 - 29. Diagnosis: Body depth 30.1% of standard length; head length 27.6% of standard length; length of snout to posterior orbital rim of eye 38.2% of head length; length of snout to centre of eye 28.8% of head length; predorsal length 64.3% of standard length; preanal length 59.6% of standard length; dorsal fin length 15.2% of standard length; anal fin length 23.9% of standard length; distance dorsal fin origin to end of caudal peduncle 39.8% of standard length; depth of caudal peduncle 38.9% of its length; 12 circumpeduncular scales (Ref. 91771).
Body shape (shape guide): fusiform / normal.
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Kramer, B., R. Bills, P. Skelton and M. Wink, 2012. A critical revision of the churchill snoutfish, genus Petrocephalus Marcusen, 1854 (Actinopterygii: Teleostei: Mormyridae), from southern and eastern Africa, with the recognition of Petrocephalus tanensis, and the description of five new species. Journal of Natural History 46(35-36):2179-2258. (Ref. 91771)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Phylogenetic diversity index (संदर्भ
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.00684 - 0.03506), b=2.86 (2.68 - 3.04), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (संदर्भ
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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