Adults are found in turbid water, over mud bottoms . They hide under vegetation . Migratory behaviour is undetermined .
Dorsal spines (total): 0; Dorsal soft rays (total): 18 - 20; Anal spines: 0; Anal soft rays: 12 - 13; Vertebrae: 30 - 32. Abdomopodium rays 2-7 thickened basally and curved anteriorly; series of 10-14 dark brown pigmented v-shaped vertical bars along sides; adult males with dark brown area surrounding about and in front of genital region; dark brown abdominal pigmentation .: fusiform / normal.
Behavioural data for Zacapu allotoca is currently being reviewed.
Freshwater; demersal; pH range: 7.0 - 7.0. Tropical; 17°C - 20°C North America: Zacapu, Michoacán, Mexico.
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