Vol.27 – 2021 – No.3

Introductory pages 

Stranding records of sperm whale (Physeter macrocephalus) on the Turkish coast in 2019-2020 with a note on the opportunistic sampling of stomach content
Arda M. Tonay, Ayaka A. Öztürk, Alp Salman, Ayhan Dede, Işıl Aytemiz Danyer, Erdem Danyer , Bayram Öztürk

A suggestion to improve navigational safety in the Strait of Istanbul (Bosphorus): Patrol tugs
Gizem Kodak, Cahit İstikbal

Chapters from the life story of common angel shark, Squatina squatina, from Turkish waters: a historical, ethnoichthyological and contemporary approach to a little-known shark species
Hakan Kabasakal

Determination of selected steroid compounds in sediment samples from Golden Horn Estuary (the Sea of Marmara, Turkey) using LC-ESI/MS-MS
Duygu Aydoğan, Türkan Yurdun

First record of pearlfish (Carapus acus) in the western Algerian coast
Karim Mezali, Ihcene Khodja

Photographic documentation of tope shark, Galeorhinus galeus (Linnaeus, 1758), in the Istanbul Strait: Reoccurrence of a rare shark in troubled waters
Hakan Kabasakal, Kenan Fuat Türetken

On the presence of Lophotus lacepede Giorna, 1809 in the Greek waters (eastern Mediterranean Sea)
Vasileios Minasidis, Alexandros Kaminas