Nothobranchius milvertzi : fisheries

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Nothobranchius milvertzi Nagy, 2014

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drawing shows typical species in Nothobranchiidae.

Classification / Names ຊື່ສາມັນ | ຄຳສັບຄ້າຍຄືກັນ | Catalog of Fishes(ຕະກຸນ, ຊະນິດ) | ITIS | CoL | WoRMS | Cloffa

> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Nothobranchiidae (African rivulines)
Etymology: Nothobranchius: Greek, nothos = false + Greek, brangchia = gill (Ref. 45335);  milvertzi: The species is named in honour of Finn Christian Milvertz (Solrød Strand, Denmark), renowned breeder and collector of killifish (Ref. 95524).

Environment: milieu / climate zone / depth range / distribution range ນິເວດວິທະຍາ

; ນ້ຳຈືດ ກ່ຽວກັບ (ຢູ່) ໄກ້ໜ້ານ້ຳໃນທະເລເປີດ; pH range: 6.9 - 6.9. Tropical

ການແຜ່ກະຈາຍ ປະເທດ | ເຂດ FAO | ລະບົບນິເວດ | ການປະກົດຕົວ | Point map | ການແນະນຳ | Faunafri

Africa: ephemeral pools in the Lushiba Marsh, part of Lake Mweru drainage, in Zambia (Ref. 95524).

ຂະໜາດ / ນ້ຳໜັກ / Age

Maturity: Lm ?  range ? - ? cm
Max length : 3.7 cm SL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 95524)

Short description ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…

ຄີ (ໜາມ)ແຂງຢູ່ຫຼັງປາ (ທັງໝົດ): 0; ຄີຫຼັງຂອງປາ (ຄີອ່ອນ) (ທັງໝົດ): 15-17; ຄີ(ໜາມ) ແຂງຢູ່ຄີກົ້ນປາ ກຸ່ມປາກະດູກແຂງ ຄວາມຖີ່ຂອງກຸ່ມຖ່າຍທອດພັນ ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລໄປຫານ້ຳຈືດ ແລະນ້ຳຈືດຫາທະເລ ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລແລະໄປໄຂ່ຢູ່ນ້ຳຈືດ ຄີກົ້ນຂອງປາ ສັດທີ່ມີກະດູກສັນຫັຼງ ການຖ່າຍທອດທາງກຳມະພັນຈາກພໍ່ແມ່ຫາລູກ 0; ຄີກົ້ນຂອງປາ: 15 - 18. Diagnosis: Nothobranchius milvertzi belongs to the Nothobranchius taeniopygus species-group, presenting the diagnostic characters of this complex of caudal and anal fin with broad light submarginal band and dark distal margin in males (Ref. 95524). Nothobranchius milvertzi is distinguished from all other species of this complex, with the exception of N. malaissei and N. hassoni, by having an anal fin with orange submarginal band and a dark red-brown distal margin (Ref. 95524). It is distinguished from these two last mentioned species by having a red caudal fin with narrow orange semicircular submarginal band and wide dark red-brown distal margin (Ref. 95524). Furthermore, the species presents within the species-group the unique morphometric characters of head length 28.5-31.5% of standard length, interorbital width 39-46% of head length, and snout length 18-20% of head length (Ref. 95524).

ຊີວະສາດ     ຄຳແປສັບ (ຕ.ຢ. epibenthic)

The accompanying fauna of the ephemeral pools consisted of non-annual species, such as Barbus haasianus, Lacustricola moeruensis, Protopterus sp. and Pseudocrenilabrus cf. philander (Ref. 95524). The type locality was a large ephemeral pool formed in a river bed, as a standing fragment of the seasonal river, about 50 m long and 10 m wide, and about 2 m deep at its deepest point; the edge of the habitat was heavily overgrown by grass and the aquatic vegetation consisted of Nymphea species; the water was brown and slightly turbid, whereas at shallower parts the bottom of the pool was visible (Ref. 95524). Eggs slightly oval, measuring 1.27-1.36 mm on average, with short filaments on chorion (Ref. 95524).

Life cycle and mating behavior ການຈະເລີນເຕັມໄວ | ການສືບພັນ | ການວາງໄຂ່ | ໄຂ່ | ຄວາມດົກຂອງໄຂ່ປາ | ຕົວອ່ອນ

Main reference Upload your references | ເອກະສານອ້າງອີງ | ຜູ້ປະສານງານ | ຜູ້ຮ່ວມມື

Nagy, B., 2014. Nothobranchius milvertzi, a new species of killifish from the Lushiba Marsh in the Lake Mweru drainage, Zambia (Teleostei: Cyprinodontiformes: Nothobranchiidae). Ichthyol. Explor. Freshwat. 24(4):347-360. (Ref. 95524)

IUCN Red List Status (Ref. 130435)

  Endangered (EN) (B1ab(iii)+2ab(iii)); Date assessed: 04 January 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
ຊັ້ນເຂດຮ້ອນ (Ref. 69278):  3.2   ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).