Guadalupe bass (Micropterus treculii), first described by Vaillant & Bocourt, 1874 is a large fish in the family Centrarchidae (order Centrarchiformes). Adults typically reach 46.40 cm in maximum length and up to 1.700 kg. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Temperate waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Near Threatened.The species is valued as a game and sport species.
: fusiform / normal.
Behavioural data for Guadalupe bass is currently being reviewed.
Freshwater; demersal. Temperate; 33°N - 31°N North America: found only on Edwards Plateau in Brazos, Colorado, Guadalupe, San Antonio and upper Nueces (where introduced) River drainages in Texas, USA.
Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.
⚠️ Bag limits vary; check local slot-size regulations.
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