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Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Ituglanis: Greek, itys, ityos = circle + Greek, glanis = a fish that can eat the bait without touching the hook; a cat fish (Ref. 45335); paraguassuensis: The name paraguassuensis refers to the type locality, rio Paraguaçu.
More on authors: Campos-Paiva & Costa.
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Tropical
South America: Brazil. Known only from the type locality, rio Paraguaçu near Iassu, Estado da Bahia, northeastern
Brazil (Ref. 58334)
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 4.3 cm SL ذكر/ مختلط الجنس; (Ref. 116503)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
Distinguished from all other species of the genus by the following combination of characteristics:
color pale yellow on lateral and dorsal regions of head and body, whiter on ventral. Skin covered by
several irregular pale brown blotches aligned along the body (vs. distinct color patterns in all other Ituglanis); pectoral fin-rays i,6 (vs. i,4 in I. macuniama, I. cahyensis and I. parahybae; i,5 in I. amazonicus, I. eichorniarium,
I. metae and I. nebulosus; i,7 in I. bambui, I. passensis, I. epikarsticus; i,8 in I. ramiroi except in I. parkoi, I. proops and I. laticeps); pelvic-fin-rays i,4 (vs. i,3 in I. eichorniarium and I. cahyensis or pelvic-fin absent in I. parahybae; i,5 in I. amazonicus, I. passensis except in I. gracilior, I. nebulosus, I. macunaima, I. bambui, I. ramiroi, I. epikasticus, I. parkoi, and I. guayaberensis); parietal fontanel extending to posterior edge of medial parietal border (vs. parietal fontanel reduced or vestigial, restricted to middle of medial parietal border in all other Ituglanis except in some I. amazonicus and I. proops); the unusual reduced number of vertebrae 34–36, where vertebral counts normally range 39 or more (in I. amazonicus, I. cahyensis, I. eichorniarium, I. parahybae, I. proops, I. gracilior, I. herberti, I. metae, Ituglanis sp. A).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Campos-Paiva, R.M. and W.J.E.M. Costa, 2007. Ituglanis paraguassuensis sp. n. (Teleostei: Siluriformes: Trichomycteridae): a new catfish from the rio Paraguaçu, northeastern Brazil. Zootaxa 1471:53-59. (Ref. 58334)
IUCN Red List Status (Ref. 130435: Version 2024-2)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
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=0.00661 (0.00279 - 0.01564), b=2.99 (2.79 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
