Anchoviella Sanfranciscana
📖 Overview
Anchoviella Sanfranciscana (Anchoviella sanfranciscana) is a ray-finned fish of the family Engraulidae. It inhabits freshwater waters in pelagic environments. This species can reach a maximum total length of 12.8 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.
🔬 Taxonomy
🐟 Physical Description
Dorsal soft rays (total): 13 - 15; Anal soft rays: 13 - 16; Vertebrae: 42. Anchoviella sanfranciscana is diagnosed from its congeners by the following characteristics: wide silver lateral band present, with a well-defined dark brown and yellow lateral band above - its total width is 1.5 to 2 times wider than the ocular diameter, (vs. width is less than 1 time in other congeners); distance from tip of dorsal fin to start of anal fin is similar in size as the dorsal fin (vs. distance is smaller in other congeners, except A. perfasciata); and 29-35 gill rakers in lower branch of the first branchial arch (vs. maximum is 27 in other congeners, except for A. cayennensis) .: fusiform / normal.
🌀 Behaviour
Behavioural data for Anchoviella Sanfranciscana is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; brackish; pelagic. Tropical South America: upstream and estuary of São Francisco River, Brazil.
🌿 Ecology
📐 Morphometrics
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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