Caullery, 1896

Description
Rostrum longer than carapace, upcurved, with nine or ten (rarely eight) dorsal teeth, normally three of these behind posterior edge of orbit, although the third may be directly over the edge in juveniles; seven ventral teeth (rarely six or eight).
Carapace with strong antennal spine and small pterygostomian spine.
Stylocerite broadly rounded, shorter than eye.
Scaphocerite outer border straight, often slightly concave in juveniles; apical spine equal to or slightly exceeding lamellar portion. Third maxilliped about 0.75 x length of scaphocerite; exopod and epipod present.
Mandible with molar and incisor processes, and three-segmented palp with lateral lobe on proximal segment.
Pereiopod 1 minutely chelate. Second pereiopods asymmetrical: pereiopod 2 right: carpus of five (rarely six or seven) segments; pereiopod 2 left: carpus of 38-45 segments, although normally about 30 in juveniles. Rarely are these segmental patterns completely reversed. Pereiopods 1-4 with arthrobranchs and epipods; pereiopod 5 with reduced setobranch.
Telson with six to eight pairs of lateral spines.

Remarks
Unlike several other members of the Pandalidae, D. bonnieri is dioecious.

Size
Length up to 160 mm, usually less than 100 mm.

Colour
Pale reddish, often with bright red rostral tip.

Ecology
Ovigerous females from October to April.

Depth range
From 20 to 1000 m.

Distribution in the North Sea
Northern North Sea; larvae reported from. CPR area B1 (Lindley, 1987) i.e. NE North Sea CPR/NorthSea . Commercially fished off Norway and Denmark.

World distribution
Ranges from Icelandic and Norwegian coasts southwards to the Bay of Biscay. Not found in Greenland waters.

[After Smaldon, 1993]

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Subclass Eumalacostraca
Superorder Eucarida
Order Decapoda
Suborder Pleocyemata
Infraorder Caridea
Superfamily Pandaloidea
Family Pandalidae
Genus Dichelopandalus
Species Dichelopandalus bonnieri

Status in World Register of Marine Species

Accepted name: Dichelopandalus bonnieri Caullery, 1896

Sorry, there are no scientific synonyms and common names available for this species

Hayward, P.J. and J.S. Ryland, 1990. Handbook of the Marine Fauna of North-West Europe. Oxford University Press, Oxford.

Lindley, J.A., 1987. Continuous Plankton Records: The geographical distribution and seasonal cycles of decapod crustacean larvae and pelagic postlarvae in the north-eastern Atlantic Ocean and the North Sea. J. mar. biol. Ass. U.K., 67: 145-167.

Smaldon, G., 1979. British coastal shrimps and prawns. Keys and notes for the identification of the species. Synopses of the British fauna, 15.

Smaldon, G., 1993. Coastal shrimps and prawns. Synopses of the British fauna, 15. (Second edition revised and enlarged by L.B. Holthuis and C.H.J.M. Fransen).

Wedemeyer, H., 1913. Die Carididen der Nordsee. Wissentschaffliche Meeresuntersuchungen (Kiel), 15: 107-164.

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