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Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Cambeva: Probably derived from the Tupi-Guarani, is a popular name for trichomycterid fishes in southern and south-eastern Brazil (Ref. 119381); betabelardense: Name 'betabelardense from the Greek second alphabet 'beta' and Portuguese word for people born in Abelardo Luz municipality 'abelardense', in allusion to the second new species described for this area.
البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع
البيئة
; المياه العذبة القاع. Tropical
South America: Brazil.
الحجم / وزن / العمر
النضج: Lm ?  range ? - ? cm
Max length : 4.3 cm SL ذكر/ مختلط الجنس; (Ref. 138850)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
This species is distinguished from its congeners by the following set of characters: a small species, maximum recorded adult size 42.7 mm SL; dorsal projection adjacent to the opercular odontode patch present; posterior nostril about equidistant from anterior nostril and from orbit; a compact broad autopalatine, its width about equal to its length excluding anterior cartilage and postero-lateral process; anterior broad and rounded projection on the interopercle present; six pectoral-fin rays; 12 opercular odontodes; 30-34 premaxillary teeth; 32–34 dentary teeth; anterior jaw teeth incisiform, posterior teeth pointed; largest rays of the dorsal and anal fins shorter than respective fin bases; dorsal and anal fins subtrapezoidal; head width 73.7-78.5% of the head length; interorbital length 21.6-26.2%; mesethmoid thin, its width at the base of cornua about half autopalatine width; and metapterygoid longer than deep, approximately triangular (Ref. 138850).
Body shape (shape guide): elongated; Cross section: oval.
دورة الحياة وسلوك التزاوج
النضج | التكاثر | وضع البيض | بيض | الخصوبة | اليرقات
Costa, W.J.E.M., C.R.M. Feltrin and A.M. Katz, 2022. Two new remarkable and endangered catfish species of the genus Cambeva (Siluriformes, Trichomycteridae) from southern Brazil. European Journal of Taxonomy 794:140-155 . (Ref. 138850)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2 (Global))
استخدامات بشرية
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مصادر علي الأنترنت
تقديرات تستند إلى النماذج
مؤشر التنوع الشُعبي الوراثي (مرجع 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00759 (0.00332 - 0.01733), b=3.00 (2.81 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
مستوى غذائي (مرجع 69278) |
3.1 ±0.4 se; based on size and trophs of closest relatives |
ضعف الصيد (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |