
Bay barnacle
Amphibalanus improvisus
- live specimen under rock 2
Bay barnacle
Amphibalanus improvisus
- live specimen under rock 3
Bay barnacle
Amphibalanus improvisus
- live specimen under rock 4
Bay barnacle
Amphibalanus improvisus
- tergo-scutal flaps 1
Bay barnacle
Amphibalanus improvisus
- side view pair 1
Bay barnacle
Amphibalanus improvisus
- top view pair 1
Bay barnacle
Amphibalanus improvisus
- side view 1
Bay barnacle
Amphibalanus improvisus
- side view 2
Bay barnacle
Amphibalanus improvisus
- posterior view 1
Bay barnacle
Amphibalanus improvisus
- base / basis 1
Numerous specimens were found under rocks, sometimes with the Australian barnacle, Austrominius modestus, in shallow water at the southern edge of Millbrook Lake, Millbrook, Cornwall, 03.02.18.
The non-native invasive Trumpet tube worm, Ficopomatus enigmaticus, and Conopeum seurati were also present.
The species here was kindly verified by Dr. John Bishop of the Marine Biological Association.