Classification / Names
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Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypoptopomatinae
Etymology: Hisonotus: Greek, isos = equal + Greek, noton = back (Ref. 45335); bockmanni: Named for Flávio A. Bockmann, in appreciation for his guidance and his contributions to the knowledge of Neotropical catfishes.
Eponymy: Dr Flávio Alicino Bockman works at the Laboratório de Ictiologia de Ribeirão Preto, Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras, Universidade de São Paulo, Brazil. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; acqua dolce demersale. Tropical
South America: Rio Cururu, Amazon basin, Brazil.
Size / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 2.1 cm SL maschio/sesso non determinato; (Ref. 91046); 2.4 cm SL (female)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Vertebre: 20. The following unique combination of characters are useful to diagnose this species from all congeners: snout dark brown with unpigmented, well-defined, rostrocaudally elongate ellipse anterior to each naris; predorsal region darkly pigmented with five unpigmented spots arranged as anteriorly pointed chevron with three anteriormost spots anterior of dorsal fin and two posteriormost spots lateral to and coequal with insertion of dorsal-fin spine; a wide, obliquely transverse, darkly pigmented bar (saddle-like) extending from insertions of pectoral and pelvic fins through anterior half of dorsal-fin base, rays, and membrane; caudal fin with anterior half of membrane and rays lacking pigment; an irregularly slender or broad transversal bar extending around caudal peduncle just posterior of anal fin; and a slender mid-lateral stripe extending from oblique transversal bar through caudalpeduncle bar to caudal-fin base. Combination of the two latter color features forms a unique rostrocaudally elongate cross along most of the caudal peduncle. This species further differs from all congeners except Hisonotus chromodontus, H. luteofrenatus, and H. insperatus by having a functional V-shaped spinelet (Ref. 91046).
Facultative air-breathing in the genus (Ref. 126274)
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Carvalho, M. and A. Datovo, 2012. A new species of cascudinho of the genus Hisonotus (Siluriformes: Loricariidae: Hypoptopomatinae) from the Upper Rio Tapajós Basin, Brazil. Copeia 2012(2):266-275. (Ref. 91046)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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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=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.7 ±0.1 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
