Astyanax Acatlanensis

📖 Overview

Astyanax Acatlanensis (Astyanax acatlanensis), first described by Soto, 2017 is a small fish in the family Acestrorhamphidae (order Characiformes). Adults typically reach 7.50 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Data Deficient.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Acestrorhamphidae kept in the hobby.

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 10; Anal soft rays: 21 - 24; Vertebrae: 32 - 33. Astyanax acatlanensis is distinguished from its congeners in inland central Mexico by the following characters: supracephalic profile, usually concave (vs. usually convex); modally 12 (modally 11-11.5) predorsal scales; modally 15.5 or fewer scales around caudal peduncle (vs. modally 16 or more); 10 or more procurrent unsegmented caudal fin rays on dorsum (9 or fewer in A. rioverde); head short, mean 23.8% SL (mean 24.6% or higher in A. mexicanus, A. rioverde and A. salvatoris); sides of anterior fontanel, straight (convex, in A. rioverde); ascending vs. descending arms of premaxilla, subequal (vs. dentigerous longer); infraorbital IV, square with projections (rectangular in A. rioverde); and opercle dorsal edge, convex (obtuse in A. rioverde and A. salvatoris).: fusiform / normal.

🌀 Behaviour

Behavioural data for Astyanax Acatlanensis is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical Central America: Río Acatlán in Puebla and Río Jía in Oaxaca, Mexico.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🦠 Common Diseases

The following diseases are known to affect Astyanax Acatlanensis.

🐠 Related Species

🔍 Similar Species

👥 Community & Contribute