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POST–SPAWNING CONDITION OF ENDEMIC SOFT–MUZZLED TROUT SALMOTHYMUS OBTUSIROSTRIS IN THE ŽRNOVNICA RIVER

T. Treer
I. Aničić
R. Safner
T. Odak
M. Piria


Puni tekst: engleski pdf 92 Kb

str. 85-90

preuzimanja: 713

citiraj


Sažetak

The condition of endemic soft–muzzled trout Salmothymus obtusirostris from the Dalmatian river Žrnovnica was studied. The sampling results of the length–weight relationship in the post–spawning period showed as expected negative allometric growth with a low b–value of 2.26 (W=0.16.L2.26) and also negative relationship between condition factor and standard length (CF =2.775 — 0.051 SL; r = –0.767, p<0.01). Drop in condition occurs between 20 and 27 cm of standard length. These results indicate that the fish from this population partially start spawning in the third year, while most of them spawn from the fourth year on.

Ključne riječi

condition, Dalmatia, endemic, trout, Salmothymus

Hrčak ID:

4655

URI

https://hrcak.srce.hr/4655

Podaci na drugim jezicima: hrvatski

Posjeta: 1.171 *