Classification / Names
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Gymnotiformes (Knifefishes) >
Hypopomidae (Bluntnose knifefishes)
Etymology: Brachyhypopomus: Greek, brachys, eia = short + Greek, hypo = under + Greek, poma, -atos = cover (Ref. 45335); arrayae: Named for the Bolivian biologist Mariana Arraya for her assistance in collecting the type series in Bolivia..
Environment: milieu / climate zone / depth range / distribution range
ນິເວດວິທະຍາ
; ນ້ຳຈືດ ກ່ຽວກັບ (ຢູ່)ເທິງຊັ້ນພື້ນດິນໃນທະເລເປີດ; pH range: 7.5 - 7.6. Tropical; 27°C - 28°C (Ref. 116763)
South America: upper Madeira River basin in Bolivia, Brazil, and Peru.
ຂະໜາດ / ນ້ຳໜັກ / Age
Maturity: Lm ? range ? - ? cm
Max length : 16.0 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 116763); 13.3 cm TL (female)
Short description
ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…
ຄີກົ້ນຂອງປາ: 175 - 212. Brachyhypopomus arrayae can be distinguished from other species of the genus Brachyhypopomus by the following combination of characters: presence of prominent pale uninterrupted middorsal stripe from occipital region to base of caudal filament (vs. absence in all congeners except B. beebei, B. belindae, B. flavipomus, B. gauderio, B. pinnicaudatus, and B. verdii); anal-fin with 174-212 rays (vs. 214-230 in B. beebei; precaudal vertebrae 20-23 (vs. 24-26 in B. belindae and B. verdii); pectoral fin with 16-19 rays, mode 16 (vs. 12-15, mode 13 for B. gauderio (except populations from Uruguay drainages) and vs. 13-15, mode 14 for B. pinnicaudatus (except populations from coastal French Guiana). It has similar pigmentation and overlapping meristic counts and morphometric proportions with some populations of B. gauderio and B. pinnicaudatus from which it can be distinguished by the contact of a small ascending process on the endopterygoid (mesopterygoid of Mago-Leccia, 1978) with the orbitosphenoid (Arratia & Schultze, 1991; de Santana & Crampton, 2011), (vs. the lack of a contact between the ascending process on the endopterygoid and the orbitosphenoid in B. gauderio and B. pinnicaudatus (Ref. 116763).
Facultative air-breathing in the genus (Ref. 126274); The type series was sampled from high-conductivity whitewater floodplain sites and from the lower, seasonally inundated reaches of terra firme streams. Found most commonly in marginal root
mats, and in emergent or submerged aquatic vegetation. The recorded water parameters at the sampling sites were the following: conductivity 150-160 μScm-1, dissolved oxygen 5.0-6.0 mgl-1, temperature 27-28°C, and pH 7.5-7.6. Adults in spawning condition were observed during the dry season in June-July 2007. Aquatic insect larvae and other small aquatic invertebrates were found in the stomach contents of specimens from the type locality. Brachyhypopomus arrayae co-occurs in geographical sympatry and ecological syntopy with whitewater floodplain-occurring species such as B. bombilla, B. brevirostris, B. pinnicaudatus, and B. walteri. Largely allotopic in the region of the type locality with the following terra firme stream occurring species: B. alberti and B. sullivani, although B. arrayae was found with B. alberti at the ecotone between terra firme streams and floodplain systems (Ref. 116763).
Life cycle and mating behavior
ການຈະເລີນເຕັມໄວ | ການສືບພັນ | ການວາງໄຂ່ | ໄຂ່ | ຄວາມດົກຂອງໄຂ່ປາ | ຕົວອ່ອນ
Crampton, W.G.R., C.D. de Santana, J.C. Waddell and N.R. Lovejoy, 2017. A taxonomic revision of the Neotropical electric fish genus Brachyhypopomus (Ostariophysi: Gymnotiformes: Hypopomidae), with descriptions of 15 new species. Neotrop. ichthyol. 14(4):e150146. (Ref. 116763)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
ຂໍ້ມູນຕື່ມອີກ
ຊື່ສາມັນຄຳສັບຄ້າຍຄືກັນການເຜົາໃໝ້ພະລັງງານໂດຍປ່ຽນທາດອາຫານໃນຮ່າງກາຍໃຫ້ກາຍເປັນຊີ້ນແລະໜັງຜູ້ລ້າການສຶກສາຜົນກະທົບຂອງສານຜິດທີ່ມີຜົນກະທົບຕໍ່ລະບົບນິເວດການສືບພັນການຈະເລີນເຕັມໄວການວາງໄຂ່ການສັງລວມການວາງໄຂ່ຄວາມດົກຂອງໄຂ່ປາໄຂ່Egg development
Age/Sizeການເຕີບໃຫຍ່Length-weightLength-lengthLength-frequenciesການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…ສະລີລະວິທະຍາຕົວອ່ອນການປ່ຽນແປງຂອງຕົວອ່ອນການທົດແທນທີ່ຄວາມອຸດົມສົມບູນBRUVS
ເອກະສານອ້າງອີງການລ້ຽງສັດນ້ຳຂໍ້ມູນການລ້ຽງສັດນ້ຳສາຍພັນກຳມະພັນElectrophoresesການຖ່າຍທອດທາງກຳມະພັນຈາກພໍ່ແມ່ຫາລູກພະຍາດການປຸງແຕ່ງNutrientsMass conversion
ຜູ້ຮ່ວມມືຮູບStamps, Coins Misc.ສຽງຫອຍມີພິດຊະນິດນຶ່ງທີ່ອາໄສໃນທະເລຄວາມໄວປະເພດການລອຍເນື້ອທີ່ເຫືອກOtolithsສະໝອງວິໄສທັດ
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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=0.00380 (0.00145 - 0.00994), b=3.06 (2.83 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ຊັ້ນເຂດຮ້ອນ (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
