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Polypteriformes (Bichirs) >
Polypteridae (Bichirs)
Etymology: Polypterus: Greek, poly = a lot of + Greek, pteron = wing, fin (Ref. 45335).
Eponymy: Stephan Ladislaus Endlicher aka István László Endlicher (1804–1849) was an Austrian botanist and numismatist who was appointed Professor of the University of Vienna and was Director of the university’s botanical gardens (1840). [...] (Ref. 128868), visit book page.
More on author: Heckel.
Environment: milieu / climate zone / depth range / distribution range
ນິເວດວິທະຍາ
; ນ້ຳຈືດ ອາໄສຢູ່ໃກ້ໜ້າດິນໃຕ້ພື້ນທ້ອງນ້ຳ; ກຸ່ມຫຼືຊະນິດປາທີ່ມີການເຄື່ອນຍ້າຍພາຍໃນນ້ຳຈືດ (Ref. 51243). Tropical
Africa: Nile River, Chad basin, Niger River, Volta River, Bandama River, Comoé River and Ouémé River (Ref. 2835, 81263).
Length at first maturity / ຂະໜາດ / ນ້ຳໜັກ / Age
Maturity: Lm 32.0 range ? - ? cm
Max length : 65.5 cm SL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 123661); ນ້ຳໜັກສູງສຸດທີ່ເຄຍຈັດພີມມາ: 3.4 kg (Ref. 123661)
ຄີ (ໜາມ)ແຂງຢູ່ຫຼັງປາ (ທັງໝົດ) : 11 - 14; ຄີ(ໜາມ) ແຂງຢູ່ຄີກົ້ນປາ
ກຸ່ມປາກະດູກແຂງ
ຄວາມຖີ່ຂອງກຸ່ມຖ່າຍທອດພັນ
ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລໄປຫານ້ຳຈືດ ແລະນ້ຳຈືດຫາທະເລ
ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລແລະໄປໄຂ່ຢູ່ນ້ຳຈືດ
ຄີກົ້ນຂອງປາ
ສັດທີ່ມີກະດູກສັນຫັຼງ
ການຖ່າຍທອດທາງກຳມະພັນຈາກພໍ່ແມ່ຫາລູກ: 0; ຄີກົ້ນຂອງປາ: 9 - 18; ສັດທີ່ມີກະດູກສັນຫຼັງ: 53 - 57. Diagnosis: lower jaw longer than upper jaw; pectoral fin reaching first dorsal ray (Ref. 2835, 42908, 81263). 11-14 dorsal finlets (Ref. 28714, 122071), the first situated above the pectoral fins; head flat or slightly concave between the eyes but not convex (Ref. 28714). Third dorsal scale row the first to reach ventral midline; predorsal length short, 21.7-27.4 % SL; few (4-5, rarely 6), broad (more than 3 scale rows wide), dark transverse bars extending from dorsum to middle of flank by confluence of dorsal and lateral blotches sometimes including ventrolateral markings (Ref. 122071).
Facultative air-breathing (Ref. 126274); Inhabits swamps and rivers. Essentially piscivorous (Ref. 9695, 28714). Diet includes snails and crustaceans (Ref. 30488).
Life cycle and mating behavior
ການຈະເລີນເຕັມໄວ | ການສືບພັນ | ການວາງໄຂ່ | ໄຂ່ | ຄວາມດົກຂອງໄຂ່ປາ | ຕົວອ່ອນ
Gosse, J.P. and J. Daget, 2003. Polypteridae. p. 101-112. In D. Paugy, C. Lévêque and G.G Teugels (eds.) The fresh and brackish water fishes of West Africa Volume 1. Coll. faune et flore tropicales 40. Institut de recherche de développement, Paris, France, Muséum national d'histoire naturelle, Paris, France and Musée royal de l'Afrique Central, Tervuren, Belgium, 457p. (Ref. 81263)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
ການປະມົງ: ທີ່ເປັນການຄ້າໜ້ອຍ
ເຄື່ອງມື
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ແຫຼ່ງອີນເຕີເນັດ
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00437 (0.00271 - 0.00704), b=3.07 (2.93 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
ຊັ້ນເຂດຮ້ອນ (Ref.
69278): 3.8 ±0.63 se; based on food items.
ຄວາມຢືດຢຸ່ນ (Ref.
120179): ສູງ, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງໜ້ອຍກວ່າ 15 ເດືອນ (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (52 of 100).
Nutrients (Ref.
124155): Calcium = 126 [54, 243] mg/100g; Iron = 1.55 [0.93, 2.46] mg/100g; Protein = 18 [17, 19] %; Omega3 = 0.275 [0.116, 0.669] g/100g; Selenium = 69.6 [31.2, 151.4] μg/100g; VitaminA = 33.5 [12.8, 91.3] μg/100g; Zinc = 1.26 [0.86, 1.81] mg/100g (wet weight);
