Santa Cruz pupfish
📖 Overview
Santa Cruz pupfish (Cyprinodon arcuatus) is a ray-finned fish of the family Cyprinodontidae. It inhabits freshwater waters. This species can reach a maximum total length of 4.6 cm. With a trophic level of 2.6, it is an omnivore, consuming both plant and animal matter. It is assessed as Extinct on the IUCN Red List.
🔬 Taxonomy
🐟 Physical Description
Dorsal soft rays (total): 9 - 10; Anal soft rays: 9 - 11; Vertebrae: 25 - 27. Distinct dorsal-body surface, which is highly convex before the dorsal fin but changing abruptly at the dorsal origin into a deep, postdorsal concavity most developed in breeding males; absence in nuptial males of distinctive yellow or orange pigment on either the caudal fin or peduncle; weak development of lepidodonts and modally six preopercular pores .
🌀 Behaviour
Behavioural data for Santa Cruz pupfish is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; benthopelagic. Temperate North America: restricted to the upper Santa Cruz basin in southern Arizona and Northern Sonora.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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