Классификация / Names
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Siluriformes (Catfishes) >
Auchenipteridae (Driftwood catfishes) > Centromochlinae
Etymology: Glanidium: Diminutive of Greek, glanis = a fish that can eat the bait without touching the hook; a cat fish (Ref. 45335); botocudo: Name is in reference to the Botocudo, the generic name given to native indigenous people wearing artifacts ('botoques') on ears and lips. Those Indians were the original inhabitants of large extensions of the Floresta Atlântica (Paraíso, 1992), including the lands along the rio Mucuri valley and far west, to the rio Doce, range of the new Glanidium species. A noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
экология
; пресноводный донно-пелагический. Tropical
South America: coastal rivers systems (Rio Doce and Rio Mucuri) in Brazil.
Size / Вес / Возраст
Maturity: Lm ? range ? - ? cm
Max length : 9.6 cm SL самец/пол неопределен; (Ref. 93811)
Краткое описание
определительные ключи | морфология | морфометрия
колючие лучи спинного плавника (общее число) : 2; членистые (мягкие) лучи спинного плавника (общее число) : 5; членистые (мягкие) лучи анального плавника: 11; позвонки: 36 - 37. This species is diagnosed from other species of Glanidium, except G. albescens, by the presence of small dark spots over a pale yellow ground color (vs. large dark blotches over a pale brown ground color). It differs from G. albescens by having pectoral fin spine length, about 21-26 % in SL (vs. 17-20% in SL), 10 ribs (vs. 9) and 36-37 vertebrae (vs. 38-39). The possession of 36 or 37 vertebrae separates this species from G. cesarpintoi, G. albescens, G. leopardum, G. melanopterum, G. catharinensis, and G. ribeiroi (with 38 or 39 in G. cesarpintoi, 38 or 39 in G. albescens, 40 or 41 in G. leopardum, 41 in G. melanopterum, 41 in G. catharinensis, and 44 in G. ribeiroi). It also differs from other species by having anterior margin of the pectoral-fin spine with serrae on its entire margin (vs. serrae restricted to distal portion of spine in G. melanopterum, G. catharinensis and G. ribeiroi or smooth anterior margin in G. leopardum) and by a long sharpened ventral process on urohyal (vs distinctly short robust process in G. melanopterum, G. cesarpintoi, G. catharinensis, and G. ribeiroi) (Ref. 93811).
Occurs in lotic sections of rivers and also lakes. Active at night. Feeds on allochthonous resources, such as beetles, and autochthonous aquatic invertebrates, such as insect larvae
and gastropods based on gut contents of 8.2 cm SL specimen (Ref. 93811).
Life cycle and mating behavior
половая зрелость | размножение | нерест | икра | Fecundity | личинки
Sarmento-Soares, L.M. and R.F. Martins-Pinheiro, 2013. Glanidium botocudo, a new species from the rio Doce and rio Mucuri, Minas Gerais, Brazil(Siluriformes: Auchenipteridae) with comments on taxonomic position of Glanidium bockmanni Sarmento-Soares & Buckup. Neotrop. Ichthyol. 11(2):265-274. (Ref. 93811)
Статус Красного Списка МСОП (Ref. 130435: Version 2024-1)
Угроза для людей
Harmless
Использование человеком
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00197 - 0.01219), b=3.10 (2.89 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
устойчивость к внешним воздействиям (Ref.
120179): высокий, минимальное время удвоения популяции до 15 месяцев (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
