Australoheros Perdi
📖 Overview
Found in Lagoa Gambazinho, a small and elongated oligotrophic lake situated within Parque Estadual do Rio Doce (PERD) with maximum depth of 10.3 m without occurrence of thermal stratification. Adults feed on shrimp Macrobrachium jelskii, fish, aquatic and terrestrial insects, plant materials and other invertebrates. Immature individuals take zooplankton, mainly cladocerans as food. Smallest mature female and male measure 5.0 and 7.2 cm TL, respectively .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 14 - 16; Dorsal soft rays (total): 9 - 11; Anal spines: 6 - 8; Anal soft rays: 8 - 10; Vertebrae: 25. Diagnosed from all other species of Australoheros by having only 25 vertebrae and by a combination of the following characters: three abdominal bars in all stages of life; a conspicuous; rounded caudal-fin base spot; a conspicuous wide longitudinal stripe; head with depression in the region above the eyes; tip of pelvic fin reaching vertical through third to sixth anal-fin spine base; 14-16 dorsal-fin spines; 11-13 pectoral-fin rays; 12 caudal vertebrae; 22 proximal radials on dorsal-fin base, 13 proximal radials on anal-fin base; 11 pleural ribs; caudal peduncle length 9.3-13.4% SL; caudal peduncle depth 16.5-22.7% SL; a wide ectopterygoid; last anal-fin spine length 14.4-20.8% SL; and lower jaw length 19.6-28.4% SL .
🌀 Behaviour
Behavioural data for Australoheros Perdi is currently being reviewed.
🦐 Diet
Diet information for Australoheros Perdi is currently being compiled.
🥚 Reproduction
Reproduction data for Australoheros Perdi is currently being compiled.
🌍 Habitat & Distribution
Freshwater; benthopelagic. Tropical South America: known only from the type locality, Parque Estadual do Rio Doce (PERD), lacustrine region of the middle Doce River basin, Doce River Valley in southeastern Brazil.
🌿 Ecology
shrimp Macrobrachium jelskii, fish, aquatic and terrestrial insects, plant materials and other inver
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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