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Texas State Fish

Guadelupe Bass

Texas State Fish - Guadelupe Bass

(Micropterus treculi)

Adopted on May 10, 1989.

The Guadalupe bass, (Micropterus treculi,) a member of the genus Micropterus within the sunfish family, was named the official state fish of Texas by the 71st Legislature on May 22, 1989. It is one of a group of fish collectively known as black bass. The Guadalupe bass is found only in Texas, native to fast moving streams in the central Hill Country (including the headwaters of the San Antonio, Guadalupe, and Colorado Rivers).

Texas State Fish: Guadelupe Bass

Texas State Fish - Guadelupe Bass

The Guadalupe bass (Micropterus treculii) is a rare species of fish endemic to the U.S. state of Texas, where it also is the official state fish. It is restricted to creeks and rivers (including the Guadalupe River, hence the name Guadalupe bass), and was formerly listed as vulnerable, but IUCN currently considers the data insufficient to determine its status. Today, most fly fishermen and anglers practice catch-and-release techniques to improve fish populations. The Guadalupe bass is often difficult to distinguish from the smallmouth bass or spotted bass, and the first is known to hybridize.

Characteristics of the Guadelupe Bass

The Guadalupe bass, like other "black bass" including largemouth, smallmouth, and spotted bass, is not a true bass at all but a member of the sunfish family Centrarchidae. Micropterus is Greek, meaning "small fin" and is a rather unfortunate misnomer arising from an injured type specimen that made it appear that the posterior rays of the soft dorsal fin formed a small separate fin. Treculi refers to Trecul, the French compatriot of Vaillant and Bocourt. Trecul actually caught the specimen. The Guadalupe bass is generally green in color and may be distinguished from similar species found in Texas in that it doesn't have vertical bars like smallmouth bass, its jaw doesn't extend beyond the eyes as in largemouth bass, and coloration extends much lower on the body than in spotted bass

Length: Up to 12 inches
Weight:
Up to 1 pound
Life span: Up to 7 years

Other names

Black bass, Guadalupe spotted bass

BiologyTexas State Fish - Guadelupe Bass

Both males and females become sexually mature when they are one year old. Guadalupe bass spawning begins as early as March and continues through May and June. A secondary spawn is possible in late summer or early fall. Like all other black bass, Guadalupe bass build gravel nests for spawning, preferably in shallow water. As with spotted bass and smallmouth bass, males tend to build nests in areas with higher flow rates than largemouth bass. When a male has successfully attracted a female to the nest she may lay 400 to over 9,000 eggs. The female is then chased away and the male stands guard over the incubating eggs. After hatching, fry feed on invertebrates and switch to piscivory as they grow older. Very young fish and older adults tend to include more invertebrates in their diet than do largemouth bass. Juveniles and younger adults tend to include more fish in their diets than do largemouth bass.

Distribution

The Guadalupe bass is found only in Texas and has been named the official state fish. It is endemic to the northern and eastern Edwards Plateau including headwaters of the San Antonio River, the Guadalupe River above Gonzales, the Colorado River north of Austin, and portions of the Brazos River drainage. Relatively small populations can also be found outside of the Edwards Plateau, primarily in the lower Colorado River. Introduced populations exist in the Nueces River system. Typically, Guadalupe bass are found in flowing water, whereas largemouth bass are found in quiet water.

Texas House Concurrent Resolution No. 61

The Guadalupe bass was adopted by House Concurrent Resolution No. 61 (HCR61). Introduced in February of 1989, House Concurrent Resolution No. 61 was signed by Governor William P. Clements on May 10, 1989.

71st Legislature, Regular Session (1989)
H.C.R. No. 61
HOUSE CONCURRENT RESOLUTION

WHEREAS, The State of Texas has traditionally recognized certain natural life forms indigenous to the state as official state symbols; and

WHEREAS, The pecan tree, the bluebonnet, and the mockingbird are examples of some natural specimens that already symbolize the great beauty and diversity of our vast state; and

WHEREAS, In keeping with this custom, the designation of the Guadalupe bass as the state fish of Texas will provide suitable recognition of the aquatic life that inhabits the lovely freshwater areas of our state; and

WHEREAS, The Guadalupe bass is found only in Texas, inhabiting the clear, fast-running streams and small rivers of the central part of the state; and

WHEREAS, A member of the genus Micropterus within the sunfish family, the Guadalupe bass is one of a group of fish collectively known as black bass; and

WHEREAS, Though its small size prevents it being highly sought as a sport fish, the sheer abundance of the Guadalupe bass is a living testament to the sparkling purity of our state's freshwater tributaries; and

WHEREAS, The Guadalupe bass is unique to Texas and will be a fitting addition to the distinguished roster of official state symbols; now, therefore, be it

RESOLVED, That the 71st Legislature of the State of Texas hereby designate the Guadalupe bass as the state fish of Texas.

Williamson
Arnold
Yost
Mowery

Approved May 10, 1989, Filed with the Secretary of State, May 22, 1989.

Texas Law

Because the Gaudalupe bass was adopted by House Concurrent Resolution, it is not listed in the Texas Statutes alongside symbols such as the state bird and the state flower.

Only a small number of Texas' myriad symbols have been actually adopted by an act of the legislature and written into the Texas Statutes.

Taxonomic Hierarchy: Gaudalupe Bass

Kingdom: Animalia - animals
Phylum: Chordata - chordates
    Subphylum: Vertebrata - vertebrates
Class: Actinopterygii - ray-finned and spiny rayed fishes
    Subclass: Neopterygii
Order: Perciformes, perch-like fishes
    Suborder: Percoidei
Family: Centrarchidae
Genus: Micropterus
Species: Micropterus treculi

State Fishes
State Fish
This is a list of official and *unofficial U.S. state fish: The only states lacking a state fish as of 2008 are Arkansas, Indiana, Kansas, and Ohio.
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