“Cuttlefish are probably the most interesting animals of [the cephalopoda] order. They live for five or six years, and lay eggs, which are large and generally found in clusters, and are known to fishermen as sea-grapes.”
Common Cuttlefishes ~ MarineBio Conservation Society
Age validation in early stages of Sepia officinalis from beak
Sepia officinalis (, Linnaeus, 1758) -- Discover Life mobile
Sepia officinalis Linnaeus, 1758
Sepia officinalis Linnaeus, 1758
WoRMS - World Register of Marine Species - Sepia officinalis
File:Naturalis Biodiversity Center - RMNH.MOL.311506 - Sepia
Sepia officinalis
Common cuttlefish (Sepia officinalis) - MarLIN - The Marine Life
Sepia Officinalis - an overview
Common Cuttlefishes ~ MarineBio Conservation Society
File:Naturalis Biodiversity Center - RMNH.MOL.311378 - Sepia
Sepia officinalis - Monaco Nature Encyclopedia
Common Cuttlefish (Sepia officinalis (Linnaeus, 1758))