Length-weight relationships of four difficult-to-sample Caspian endemic gobies (Teleostei: Gobiidae): Benthophilus persicus, Benthophilus baeri, Knipowitschia longecaudata, and Hyrcanogobius bergi

By

Zarei, Fatah
Esmaeili, Hamid Reza
Abbasi, Keyvan
Sadeghi, Reza

Type

Article

Date of Publication

2024-3-20

Original Publication

Caucasiana : journal on the biodiversity of the Caucasus and the adjacent regions

Volume

3

Pages

25--29

Subjects

Baer’s tadpole goby , longtail dwarf goby , Persian tadpole goby , Volga dwarf goby

Contributed by

Pensoft Publishers

Language

English

Published by

[Sofia, Bulgaria] Pensoft 2022-

Identifiers

DOI: https://doi.org/10.3897/caucasiana.3.e118074

 

Abstract

The present study provides the length-weight relationships (LWRs) for four difficult-to-sample Caspian endemic gobies for the first time: Benthophilus persicus, Benthophilus baeri, Knipowitschia longecaudata, and Hyrcanogobius bergi. They were collected from shallow and deep waters of the southwestern Caspian Sea using various methods, including beach seining, scuba diving, and deepwater bottom beam trawls. The slope (b) of LWRs ranged from 2.874 for B. baeri, to 3.408 for H. bergi with coefficient of determination higher than 0.918. The b values showed significant differences between the sexes of all species.