5 photos - 2 species


 This family is characterized by trochospiral right-wound shells.

The adult size ranges from about 5 mm to 130 mm.

An inner layer of permutation is deposited in the shell.

The gyre snails are a large family of sea-dwelling snails.

Tectus dentatus

Toothed top shell

Maximum 8 cm

Its shell is often encrusted with red algae and invertebrates.

The cream-colored mantle becomes visible at night

when it grazes algae from hard bottoms.

Photos 1 - 3 Johnny: Hurghada Egypt

Trochus maculatus 

Maculated top shell

 Maximum 5 cm

Sucked in during the day, foraging in the reef at night.

Photos 1 -2 Johnny: Hurghada Egypt