Otothyropsis alicula

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Otothyropsis alicula Lippert, Calegari & Reis, 2014

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No image available for this species;
drawing shows typical species in Loricariidae.

Classificação / Names Nomes comuns | Sinônimos | Catalog of Fishes(Gênero, Espécies) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Loricariidae (Armored catfishes) > Hypoptopomatinae
Etymology: alicula: From the Latin alicula, diminutive of ala, wing, fin in case of a fish, in allusion to the short pectoral fin diagnostic of the species. A noun in apposition..

Environment: milieu / climate zone / depth range / distribution range Ecologia

; Água doce demersal. Tropical

Distribuição Países | Áreas da FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

South America: Rio Santo Antônio basin, a tributary to Rio Sapucaí, itself a tributary to the upper Rio Grande, Rio Paraná basin in Brazil.

Tamanho / Peso / Idade

Maturity: Lm ?  range ? - ? cm
Max length : 3.6 cm SL macho/indeterminado; (Ref. 96503)

Descrição suscinta Morfologia | Morfometria

Espinhos dorsais (total): 2; Raios dorsais (total): 7; Espinhos anais 1; Raios anais : 5; Vértebras: 29 - 30. The possession of the unique caudal-fin coloration pattern, consisting of a densely pigmented blotch occupying its proximal half, prolonged posteriorly onto the middle rays but not reaching the posterior border of fin distinguishes Otothyropsis alicula from other species of Otothyropsis (vs. various color patterns but never with a distinct proximal blotch). It further differs from O. marapoama, O. piribebuy, and O. biamnicus by having a shorter prepelvic length (33.9-37.7 vs. 40.6-45.4, 42.2-46.3, and 36.7-39.3% SL, respectively), and from males of O. polyodon (33.9-36.3, mean 5 35.9 vs. 36.2-39.5% SL, mean 5 37.9). It can be further diagnosed from all congeners, except O. polyodon, by having the dorsal-fin spinelet rectangular in shape (vs. dorsal fin-spinelet triangular or quadrangular). It can be distinguished from all its congeners, except O. piribebuy, by having a raised crest of enlarged odontodes in the posterior portion of the parieto-supraocciptal (vs. such crest present). It also differs from O. marapoama, O. piribebuy, and O. polyodon by having the abdomen devoid or almost devoid of plates (vs. abdomen totally covered by plates or with three to four lateral abdominal plates and a row or few platelets in posterior portion of abdomen); shorter pectoral-fin spine (16.5-20.0 vs. 25.2-30.5, 24.9-30.4, and 21.4-26.9% SL, respectively), and the sutures between contiguous neural spines extending two-thirds the distance from centra to distal portion (vs. sutures between neural spines extending from near centra to or almost to the distal tip); from O. marapoama and O. piribebuy by having 11-13 plates between anal and caudal fins (vs. 9-10 plates, in both), complete median series of lateral plates, reaching to the caudal fin (vs. the medial series of lateral plates truncated at least two plates before the caudal fin), and 22-25 plates in median lateral series (vs. 17-21 and 19-20, respectively); from O. polyodon by having larger cleithral width (22.6-24.7 vs. 19.2-21.9%SL) and shorter nares diameter (6.8-11.2 vs. 11.5-15.6% HL); and from O. biamnicus by having a longer snout (49.7-54.2 vs. 44.1-47.9% HL) (Ref. 96503).

Biologia     Glossário (p.ex. epibenthic)

Ciclo de vida ou comportamento de acasalamento Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas

Referência principal Upload your references | Referências | Coordenador : Fisch-Muller, Sonia | Colaboradores

Lippert, B.G., B.B. Calegari and R.E. Reis, 2014. A new species of Otothyropsis (Siluriformes: Hypoptopomatinae) from Eastern Brazil. Copeia 2014(2):238-244. (Ref. 96503)

Status na Lista Vermelha da UICN (Ref. 130435)

  Segura ou pouco preocupante (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para os humanos

  Harmless





Uso pelos humanos

FAO - Publication: search | FishSource |

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AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Checar Observador de Peixes (FishWatcher) | CISTI | Catalog of Fishes: Gênero, Espécies | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genoma, nucleotídeo | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Árvore da vida | Wikipedia: Ir para, procura | World Records Freshwater Fishing | Zoobank | Registro zoológico

Estimates based on models

Índice de diversidade filogenética (Ref. 82804):  PD50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.00646 - 0.06755), b=3.03 (2.78 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nível Trófico (Ref. 69278):  2.3   ±0.1 se; based on size and trophs of closest relatives
Resiliência (Ref. 120179):  Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).