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Synbranchiformes (Spiny eels) >
Mastacembelidae (Spiny eels)
Etymology: Mastacembelus: Greek, mastax, -agos = bite + Greek, emballo = to throw oneself (Ref. 45335); kakrimensis: Named after the Kakrima River, a major tributary of the Konkoure River basin in Guinea, the type locality of the new species (Ref. 55095).
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين موجوداتی که در محدوده وسیعی از آبهای آزاد از نزدیک بستر و یا روی کف بستر، در قسمت های میان آبی تا سطح آب و در برخی گونه ها با قابلیت پرواز، زندگی و تغذیه می کنند.. Tropical
Africa: Upper Konkoure River basin in Guinea (Ref. 55095).
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 23.9 cm SL جنس نر / بدون خواص جنسي; (Ref. 55095)
توصيف مختصر
ريخت شناسي | ريخت ستجي بوسيله انداره گيري
خارهاي باله پشتي (کل): 29 - 30; شعاع نرم باله پشتي (کل): 75-85; خارهاي باله مخرجي 3; شعاع نرم باله مخرجي: 76 - 86; مهره ها: 90 - 93. Mastacembelus kakrimensis has a blunted snout (Ref. 55095). Posterior angle of lips situated from about below the horizontal middle of the posterior nare up to its posterior edge (Ref. 55095). Upper corner of gill opening very slightly anterior to dorsal point of pectoral-fin base, both points clearly anterior to ventral point of pectoral-fin base; dorsal point of pectoral-fin base situated largely above upper corner of gill opening; gill opening closed for about half, up to entire vertical distance between the dorsal and ventral edge of the pectoral-fin base (Ref. 55095). Lateral line is yellowish-white; can be continuous in anterior part, from the head up to half the distance between head and anus; the remaining, more porsterior, part of the lateral line is always clearly discontinuous (Ref. 55095). Preopercular spines are present in small-sized specimens, but are absent in medium and large sized specimens (Ref. 55095). Preanal length negatively allometric, postanal length positively allometric, latter always smaller than former (Ref. 55095).
Found in riffles of a small river with bottom consisted of rock boulders with aquatic vegetation (Ref. 55095).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Vreven, E.J. and G.G. Teugels, 2005. Redescription of Mastacembelus liberiensis Boulenger, 1898 and description of a new West African spiny-eel (Synbranchiformes: Mastacembelidae) from the Konkoure River basin, Guinea. J. Fish Biol. 67(2):332-369. (Ref. 55095)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
اطلاعات بيشتر
اسامي عاممترادفسوخت و سازشکارچیانسم شناسي بوم زيستيتولید مثلبلوغتخم ریزیSpawning aggregationFecundityتخم هانمو تخم
Age/Sizeرشدطول - وزنطول - طولنوسانات طولیريخت ستجي بوسيله انداره گيريريخت شناسيتوزاد ( لارو)پويايي لارويبازسازیفراوانيBRUVS
مراجعآبزي پرورينمايه آبزي پرورينژادهاژنتيكElectrophoresesوارثبيماري هافرآوریNutrientsMass conversion
همكارانعکس هاStamps, Coins Misc.صداهاسيگواتراسرعتنوع شناگریمنطقه آبششيOtolithsمغزهابینایی
ابزارها
گزارش های ويژه
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منابع اينترنتي
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=0.00257 (0.00122 - 0.00544), b=2.97 (2.79 - 3.15), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
جهندگی (Ref.
120179): زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (19 of 100).
