Classification / Names
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Siluriformes (Catfishes) >
Amphiliidae (Loach catfishes) > Doumeinae
Etymology: howesi: The species name, howesi, is in honor of Gordon J. Howes, formerly of the Natural History Museum, London, in recognition of his many contributions to ichthyology (Ref. 92838).
Environment: milieu / climate zone / depth range / distribution range
ນິເວດວິທະຍາ
; ນ້ຳຈືດ ອາໄສຢູ່ໃກ້ໜ້າດິນໃຕ້ພື້ນທ້ອງນ້ຳ. Tropical
Africa: Luachimo River and its rapids (Kasai River drainage, middle Congo River basin) in Angola (Ref. 92838).
ຂະໜາດ / ນ້ຳໜັກ / Age
Maturity: Lm ? range ? - ? cm
Max length : 11.3 cm SL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 92838)
Short description
ຕົວທີ່ໃຊ້ໃນການຈຳແນກຊະນິດ | ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…
ຄີ (ໜາມ)ແຂງຢູ່ຫຼັງປາ (ທັງໝົດ) : 0; ຄີຫຼັງຂອງປາ (ຄີອ່ອນ) (ທັງໝົດ) : 8; ຄີ(ໜາມ) ແຂງຢູ່ຄີກົ້ນປາ
ກຸ່ມປາກະດູກແຂງ
ຄວາມຖີ່ຂອງກຸ່ມຖ່າຍທອດພັນ
ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລໄປຫານ້ຳຈືດ ແລະນ້ຳຈືດຫາທະເລ
ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລແລະໄປໄຂ່ຢູ່ນ້ຳຈືດ
ຄີກົ້ນຂອງປາ
ສັດທີ່ມີກະດູກສັນຫັຼງ
ການຖ່າຍທອດທາງກຳມະພັນຈາກພໍ່ແມ່ຫາລູກ: 0; ຄີກົ້ນຂອງປາ: 8 - 10; ສັດທີ່ມີກະດູກສັນຫຼັງ: 38 - 39. Congoglanis howesi differs from C. alula in the caudal-peduncle length relative to the caudal-peduncle depth (360%-380% vs. 260%-330%), the head depth (46-57% of head length vs. 38-45%), and the more attenuate head (Ref. 92838). It differs from C. inga in the length of the maxillary barbel, which is extending beyond posterior nostril but falling distinctly short of vertical through anterior margin of orbit vs. extending well beyond anterior margin of orbit, the body width at the dorsal-fin origin (14-16% of standard length vs. 17-20%), the postorbital length (29-32% of head length vs. 32-35%), the caudal peduncle length relative to the caudal-peduncle depth (360-380% vs. 210-290%), the number of vertebrae (38-39 vs. 35-37), and the length of the caudal peduncle, being 20-24% of standard length vs. 16-21% (Ref. 92838). It differs from C. sagitta in the length of the pelvic fin (22-28% of standard length vs. 19-21%), the head width (75-78% of head length vs. 63-73%), the length of the adpressed anal fin, reaching beyond the vertical through the posterior terminus of the adipose fin vs. reaching to or falling short of that vertical, and the length of the pectoral fin, being 26-32% of standard length vs. 23-27% (Ref. 92838).
Found in the rapids of the Luachimo River (Ref. 92838).
Life cycle and mating behavior
Maturities | ການສືບພັນ | Spawnings | Egg(s) | Fecundities | ຕົວອ່ອນ
Vari, R.P., C.J. Ferraris Jr. and P.H. Skelton, 2012. New species of Congoglanis (Siluriformes: Amphiliidae) from the southern Congo River basin. Copeia 2012(4):626-630. (Ref. 92838)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [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).
ຊັ້ນເຂດຮ້ອນ (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
ຄວາມຢືດຢຸ່ນ (Ref.
120179): ຂະໜາດກາງ, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງເທົ່າ 1.4 - 4.4 ປີ (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
