Slug - Chelidonura varians

Order: CEPHALASPIDEA

Family: Aglajidae

Discovered: 1903


Duikstek: Tanjung Kubur - 18m diepte - 26/02/2007 - Lembeh Straat - Sulawesi - INDONESIE Foto: Danny Van Belle

Dive Site: Tanjung Kubur - 18m depth - 26/02/2007 - Lembeh Strait - Sulawesi - Indonesia Photo: Danny Van Belle

Dive Site: Tanjung Kubur - 18m depth - 26/02/2007 - Lembeh Strait - Sulawesi - INDONESIA

Photo: Danny Van Belle


The distribution of this snail reaches of the Indian Ocean to the western Pacific.

She is a maximum number of 7 cm.

This snail appears to feed on Polyclad flatworms.

Another slug that looks very similar is Philinopsis gardineri.

The difference between the two species are easy to notice the shape of the head and the length of the tail sections.


Chelidonura varians aan het paren. Duikstek : The river - diepte 12m - 06/08/2006 - Tulamben - Oost-Bali - INDONESIE Foto: Anja Flick

Chelidonura varians to spawn. Dive Site: The river - Depth 12m - 06/08/2006 - Tulamben - East Bali - Indonesia Photo: Anja Flick

Demands the ring looks like a silk gauze from which the sand is left.

It's a kind of cocoon that has a long mucus band attached to the sandy bottom. The calls ring through the genital opening to the outside and pressed in a circular motion around the head rotated to create a cocoon-like spiral form. Ultimately, the head is from the inner part of the cocoon and turn out the left opening is closed.


In spiraalvorm wordt de eistring rond de kop heen gedraaid om een coconvorm te verkrijgen. Duikstek: The river - 12m diepte - 19/07/2006 - Tulamben - Oost-Bali - INDONESIE Foto: Danny Van Belle

In a spiral, the demand ring around the head rotated to obtain a cocoon shape. Dive Site: The river - 12m depth - 19/07/2006 - Tulamben - East Bali - Indonesia Photo: Danny Van Belle

De eistring wordt aan de zandbodem bevestigd. Duikstek: The river - 12m diepte - 19/07/2006 - Tulamben - Oost-Bali - INDONESIE Foto: Danny Van Belle

Demands the ring is attached to the sandy bottom. Dive Site: The river - 12m depth - 19/07/2006 - Tulamben - East Bali - Indonesia Photo: Danny Van Belle