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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); difficilis: Name 'difficilis' from the Latin word meaning 'difficult', in reference to the great difficulty it takes to collect this new species.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
; آب شيرين نزديك كف زي. Tropical
South America: Brazil.
اندازه / وزن / سن
بلوغ: Lm ?  range ? - ? cm
Max length : 8.1 cm SL جنس نر / بدون خواص جنسي; (Ref. 132480)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
شعاع نرم باله پشتي (کل) : 12; شعاع نرم باله مخرجي: 9. This species is distinguished from its congeners by the following set of characters: having small sub-incisiform odontodes on the basal portion of the opercular and interopercular patches; a unique color pattern of the caudal fin present, comprising a yellowish-white zone on the basal portion of the fin and posteriorly edged by a black zone, more conspicuous immediately after collection; short mesethmoid cornua, distally terminating in sharply pointed tips; a relatively short interopercle, its largest length about half of the longitudinal length of the hyomandibula; compact parurohyal, with a relatively short lateral process, a broad anterior head with an indistinct antero-lateral paired process, and without basal constriction; short barbels, with the nasal barbel reaching an area just posterior to the orbit; maxillary barbel reaching the posterior portion of the interopercular patch of odontodes; rictal barbel reaching the anterior portion of the interopercular patch of odontodes; pelvic fin bases medially separated by a broad interspace, about half of the pelvic fin base length; anal fin origin posterior to the dorsal fin base (Ref. 132480).
Body shape (shape guide): elongated; Cross section: flattened.
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | توزاد ( لارو)
Costa, W.J.E.M., C.R.M. Feltrin, J.L.O. Mattos and A.M. Katz, 2024. Monophyly or Homoplasy? The relationships of a rare new species of Cambeva (Siluriformes: Trichomycteridae) from the Brazilian Atlantic Forest with a bicolored caudal pattern. Taxonomy 2024(4):341-353. (Ref. 132480)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: از بی علاقه گی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
شاخص تنوع فیلوژنتیکی (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00337 - 0.01709), b=3.00 (2.81 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
سطح تروفیک (مرجع
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
آسیبپذیری ماهیگیری (Ref.
59153): Low vulnerability (10 of 100).
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