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

> Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Tilapia: Bechuana, African native thiape = fish (Ref. 45335).
More on author: Trewavas.

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

; ນ້ຳຈືດ ກ່ຽວກັບ (ຢູ່)ເທິງຊັ້ນພື້ນດິນໃນທະເລເປີດ; pH range: 7.0 - 7.8; dH range: ? - 15. Tropical; 22°C - 26°C (Ref. 2059); 19°S - 21°S

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

Africa: endemic to Lake Guinas, Namibia. Introduced to Lake Otjikoto and several reservoirs in Namibia. Also occurs in subterranean rivers.

ຂະໜາດ / ນ້ຳໜັກ / Age

Maturity: L_m ? range ? - ? cm
Max length : 14.0 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 6465)

Found in deep sinkhole lakes (100 m deep or more, e.g. introduced population in Lake Otjikoto, Namibia) with moderately clear water and with water temperatures ranging from 19 to 27°C (Ref. 6465). Omnivorous (Ref. 52307), but feeds mainly on algae and diatoms (Ref. 6465, 52307). Generally congregate, breed and feed from the near-vertical shores. Use narrow shelves for breeding, with established and defended territories, both parents guard and tend eggs. Threatened due to depletion of local groundwater resources and impact of introduced species (Ref. 7248). Individuals tend to display different color patterns ranging from pure black to mottled black and blue, pink and white (Ref. 27829). Biparental open-spawning species (Ref. 52307).

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

Nests are built on narrow rocky ledges and competition for these nest sites is very strong.

Main reference Upload your references | ເອກະສານອ້າງອີງ | ຜູ້ປະສານງານ : Kullander, Sven O. | ຜູ້ຮ່ວມມື

Teugels, G.G. and D.F.E. Thys van den Audenaerde, 1991. Tilapia. p. 482-508. In J. Daget, J.-P. Gosse, G.G. Teugels and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4. (Ref. 5163)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Critically Endangered (CR) (B1ab(iii)+2ab(iii)); Date assessed: 01 March 2007

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

ຕູ້ປາ: ເປັນສີນຄ້າ

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ຂໍ້ມູນຕື່ມອີກ

Trophic ecology
ລາຍການອາຫານ
ອົງປະກອບຂອງອາຫານ
ການບໍລິໂພກອາຫານ
Food rations
ຜູ້ລ້າ

Ecology
ນິເວດວິທະຍາ

Population dynamics
ຕົວວັດແທກການເຕີບໃຫຍ່
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
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ຄວາມອຸດົມສົມບູນ

Life cycle
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ການຈະເລີນເຕັມໄວ
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ການວາງໄຂ່
Spawning aggregations
ໄຂ່
Egg development
ຕົວອ່ອນ
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Distribution
ປະເທດ
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Anatomy
ເນື້ອທີ່ເຫືອກ
Brain
Otolith

Physiology
Body composition
Nutrients
ການບໍລິໂພກອົກຊີເຈນ
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ຄວາມໄວໃນການລອຍ
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)

Genetics
ກຳມະພັນ
Heterozygosity
ການຖ່າຍທອດທາງກຳມະພັນຈາກພໍ່ແມ່ຫາລູກ

Human related
Aquaculture systems
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Stamps, coins, misc.

Outreach
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Taxonomy
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References
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Summary page | ຈຸດໃດໜຶ່ງທີ່ສະແດງຂໍ້ມູນ | ຊື່ສາມັນ | Photos

ແຫຼ່ງອີນເຕີເນັດ

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01445 (0.00674 - 0.03099), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

ຊັ້ນເຂດຮ້ອນ (Ref. 69278): 2.0 ±0.00 se; based on food items.

ຄວາມຢືດຢຸ່ນ (Ref. 120179): ສູງ, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງໜ້ອຍກວ່າ 15 ເດືອນ (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Tilapia guinasana Trewavas, 1936