Euryochus thysanos Pereira & Reis, 2017

dos Santos, Sergio Alexandre & de Britto, Marcelo Ribeiro, 2021, The ichthyofauna of a poorly known area in the middle-southern Espinhaco mountain range, state of Minas Gerais, Brazil: diagnostics and identification keys, ZooKeys 1054, pp. 25-66 : 25

Euryochus thysanos Pereira & Reis, 2017

Fig. 4F

Distribution.

Coastal rivers in Eastern Brazil, from the rio Itapemirim, and including the larger basins of the rio Doce and Mucuri, in Espirito Santo and Minas Gerais states, to the rio Frades, state of Bahia.

Diagnosis.

Euryochus thysanos is diagnosed by having rounded and short inferior lip, leaving a large naked area in the ventral portion of head; inferior lip with barbel developed; 30-35 bicuspidate teeth in the premaxillary and dentary bones; absence of hypertrophied odontodes.

Figures

Figure 4. Siluriformes species from the middle-southern Espinhaco mountain range, Minas Gerais state, Brazil A Bunocephalus hartti, MZUSP 064227, 44.7 B Trichomycterus melanopygius, MNRJ 47902, 85.2 mm SL C Trichomycterus sp. A, MNRJ 47901, 87.4 mm SL D Trichomycterus sp. B, MNRJ 46932, 57.0 mm SL E Callichthys callichthys, MNRJ 48501, 58.2 mm SL F Euryochus thysanos, MNRJ 47897, 74.4 mm SL G Harttia intermontana, MNRJ 48463, 42.4 mm SL H Hypostomus francisci, MZUSP 37162, 66.8 mm SL I Neoplecostomus sp. A, MNRJ 46935, 73.0 mm SL J Neoplecostomus sp. B, MNRJ 48431, 43.0 mm SL K Pareiorhaphis scutula, MNRJ 48471, 88.1 mm SL L Pareiorhaphis vetula, MNRJ 46936, 40.4 mm SL.