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Species

Species - Thecacera pennigera

Scientific name:
Thecacera pennigera (Montagu 1815)
Common name:
winged thecacera
General description:
Summary Description

Thecacera pennigera is a small sea slug that may grow to a length of 30 mm. The body tapers posteriorly to a long foot and is translucent white in colour with tiny orange, yellow and black spots. It has a blunt/broad head with 2 pointed lateral extensions. The rhinophores are contained within flared rhinophore sheaths, which is a key diagnostic feature. The gills are arranged in the shape of a horse-shoe and behind them are 2 glandular processes. The rhinophore sheaths and gills are also covered in orange and black spots. The postbranchial processes have shiny, granulated white tips with a golden stripe and black spots beneath.
Australian distribution:
Established
Detected in:
New South Wales
Invasion status:

Non-native
Native origin:

North east Atlantic (Europe)

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Caption:
Thecacera pennigera - NIMPIS.

Source:
Copyright Notice: Willan & Coleman, 1984. Acknowledge: true
Caption:
Thecacera pennigera - NIMPIS.

Source:
Copyright Notice: Patrick Van Moer, Belgium. Acknowledge: true
Caption:
Thecacera pennigera - NIMPIS.

Source:
Copyright Notice: Dr. Bill Rudman, 1982, Australian Museum. Acknowledge: true
Caption:
Thecacera pennigera - NIMPIS.

Source:
Copyright Notice: Patrick Van Moer, Belgium. Acknowledge: true
Caption:
Thecacera pennigera diagram & key features. Body tapers to long foot. 2 lateral extensions posteriorly. No velar process. Presence of a rhinophore sheath. Marked with orange and black spots.

Source:
Copyright Notice: Diagram - Willan, 1976. Acknowledge: true

Last modified: 26 February 2020