Como identificar Sépia Comum

Para identificar Sépia Comum (Sepia officinalis), observe estas características principais.

Características físicas

Formato do corpo

rounded

Coloração

Highly variable, capable of rapid changes. Typically mottled browns, greys, and whites for camouflage. Can display vibrant patterns of reds, oranges, and blues during courtship or threat displays. Underside is generally lighter.

Tipo de escama

none

Posição da boca

terminal

Características distintivas

Large, W-shaped pupils, Eight arms with suckers in two rows, Two long, retractable tentacles with suckers at the club-like ends, Internal, porous cuttlebone (sepion) for buoyancy control, Fins running along the entire mantle margin

Nadadeira dorsal

Not applicable (cephalopod)

Nadadeira caudal

Not applicable (cephalopod)

Nadadeira peitoral

Not applicable (cephalopod)

Nadadeiras características

A continuous, undulating fin runs along the entire lateral margin of the mantle, used for propulsion and steering.

Dicas de identificação

1. 1

   Body Shape

   Oval, flattened body with a broad, internal cuttlebone. The mantle is typically wider than it is long.

2. 2

   Fins

   A distinctive undulating fin runs continuously around the entire margin of the mantle, unlike squid which have triangular or rhomboid fins at the posterior end.

3. 3

   Eyes

   Large, prominent eyes with a characteristic W-shaped pupil.

4. 4

   Coloration and Texture

   Exceptional ability to change skin color and texture (papillae) rapidly to match surroundings or communicate. This is a key identifier.

5. 5

   Cuttlebone

   If found washed ashore, the internal, calcified, porous cuttlebone is a definitive identifier. It is oval and has fine, wavy striations.

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