ARIZONA (APACHE) TROUT Salmosp. 



Order: SALMONIFORMES Family: SALMONIDAE 



Distinguishing characteristics : Similar to Gila trout, Salmo gilae ; differs in that 

 the Arizona trout has larger and fewer spots on the dorsal and anal fins, narrower 

 body width, smaller adipose fin and larger pectoral, pelvic, and dorsal fins. 



Present distribution : Ord Creek and East Fork of White River, Christmas Tree and 

 Sun Moon Lakes; Fort Apache Indian Reservation, Arizona. 



Former distribution : Widespread in suitable upper tributaries of the White and 

 Black Rivers . 



Status: Jeopardized. Presently restricted to two small streams and two small lakes. 



Estimated numbers : No data . 



Fecundity : 200 to 500 eggs per adult female. 



Reasons for decline : Modification of habitat resulting from forest removal; introduction 

 of exotic trout competitors . 



Protective measures already taken : Several streams in Arizona were stocked by the 

 State. Ord Creek and the upper East Fork of the White River are closed to fishing. 

 Barrier dams were constructed on both streams . The White Mountain Apache Tribe 

 constructed two lakes for this trout . 



Measures proposed : Increased hatchery production. Restock in suitable reclaimed 

 waters . 



Number in captivity : Several thousand at Arizona State hatchery. 



Culture potential in captivity : Propagated in similar manner to the propagation of 

 rainbow and other trouts . 



References : 



Miller, R. R. 1950. Notes on the cutthroat and rainbow trouts with the 



description of a new species from the Gila River, New Mexico. Occ . Pap. 

 Mus . Zool . Univ . Mich . . No . 529 , 42 p . 

 Regan, D. M. 1964. Comparison of morphometric measurements for Gila trout 



and Ord Creek trout. Report (typed) Fed. Aid Project F-22-R, New Mexico 

 Department of Game and Fish, 20 p. 



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