Mkizi

Mkizi
Mkizi mkia-buluu (Crenimugil buchanani)
Mkizi mkia-buluu (Crenimugil buchanani)
Uainishaji wa kisayansi
Himaya:Animalia (Wanyama)
Faila:Chordata (Wanyama wenye ugwe wa neva mgongoni)
Nusufaila:Vertebrata (Wanyama wenye uti wa mgongo)
Ngeli:Actinopterygii (Samaki walio na mapezi yenye tindi)
Oda:Mugiliformes (Samaki kama mkizi)
Familia:Mugilidae (Samaki walio na mnasaba na mkizi)
Cuvier, 1829
Ngazi za chini

Jenasi 27 na spishi 70, 32 katika Afrika:

  • Agonostomus Bennett, 1832
    • A. catalai Pellegrin, 1932
    • A. telfairii Bennett, 1832
  • Aldrichetta Whitley, 1945
  • Cestraeus Valenciennes, 1836
  • Chaenomugil Gill, 1863
  • Chelon Artedi, 1793
    • C. aurata (Risso, 1810)
    • C. bandialensis Diouf, 1991
    • C. bispinosus (Bowdich, 1825)
    • C. dumerili (Steindachner, 1870)
    • C. labrosus (Risso, 1827)
    • C. ramada (Risso, 1827)
    • C. richardsonii (A. Smith, 1846)
    • C. saliens (Risso, 1810)
    • C. tricuspidens (J.L.B. Smith, 1935)
  • Crenimugil Schultz, 1946
    • C. buchanani (Bleeker, 1853)
    • C. crenilabis (Forsskål, 1775)
    • C. seheli (Forsskål, 1775)
  • Dajaus Valenciennes, 1836
  • Ellochelon Whitley, 1930
    • E. vaigiensis (Quoy & Gaimard, 1825)
  • Gracilimugil Whitley, 1941
  • Joturus Poey, 1860
  • Mugil Linnaeus, 1758
    • M. bananensis Pellegrin, 1927
    • M. capurrii Perugia, 1892
    • M. cephalus Linnaeus, 1758
    • M. curema Valenciennes, 1836
  • Myxus Günther, 1861
  • Neomyxus Steindachner, 1878
  • Neochelon Durand, Chen, Shen, Fu & Borsa, 2012
    • N. falcipinnis (Valenciennes, 1836)
  • Oedalechilus Fowler, 1903
    • O. labeo (Cuvier, 1829)
  • Osteomugil Luther, 1982
    • O. cunnesius (Valenciennes, 1836)
    • O. engeli (Bleeker, 1858)
    • O. perusii (Valenciennes, 1836)
    • O. robustus (Günther, 1861)
  • Parachelon Durand, Chen, Shen, Fu & Borsa, 2012
    • P. grandisquamis (Valenciennes, 1836)
  • Paramugil Ghasemzadeh, Ivantsoff & Aarn, 2004
  • Planiliza Whitley, 1945
    • P. alata {Steindachner, 1892)
    • P. macrolepis (A. Smith, 1846)
    • P. melinopterus (Valenciennes, 1836)
    • P. subviridis (Valenciennes, 1836)
  • Plicomugil Schultz, 1953
    • P. labiosus (Valenciennes, 1836)
  • Pseudomyxus Durand, Chen, Shen, Fu & Borsa, 2012
    • P. capensis (Valenciennes, 1836)
  • Rhinomugil Gill, 1863
  • Sicamugil Fowler, 1939
  • Squalomugil Ogilby, 1908
  • Trachystoma Ogilby, 1888

Mkizi au binini ni samaki wa baharini na pengine wa maji baridi za familia Mugilidae katika oda Mugiliformes. Wanatokea katika kanda za wastani hadi tropiki. Wana magamba mapana na rangi ya kijivu na hudhurungi mgongoni.

Pengine hanithi huitwa mkizi pia, lakini ni aina tofauti.

Maelezo

Mkizi wanajulikana kwa kuwepo kwa mapezimgongo mawili tofauti, kinywa kidogo cha pembetatu na kutokuwepo kwa mrabafahamu. Hujilisha kwa takataka na spishi nyingi zina tumbo lenye misuli lisilo na kawaida na koromeo tata ili kusaidia umeng'enyaji wa chakula.

Mwenendo

Mwenendo wa kawaida unaoonekana katika mkizi ni mwelekeo wa kuruka nje ya maji. Kuna aina bainifu mbili za miruko: lengo nyofu na safi kutoka majini ili kuepuka mbuai na mruko polepole na chini zaidi huku akijigeua kwa ubavu wake ambao husababisha mtawanyiko mkubwa zaidi unaoonekana vizuri zaidi. Sababu za mruko huu kwa chini zinakabiliwa, lakini nadharia huwekwa kwamba sababu ni kupata hewa yenye kiwango cha juu cha oksijeni ili kubadilishana gesi katika ogani ndogo juu ya koromeo.

Spishi za Afrika

Picha

Marejeo

  • Rashid Anam & Edoardo Mostarda (2012) Field identification guide for the living marine resources of Kenya. FAO, Rome.
  • Gabriella Bianchi (1985) Field guide to the commercial marine brackish-water species of Tanzania. FAO, Rome.

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