GUIDE TO THE MANTA and DEVIL RAYS OF THE WORLD. By Guy Stevens, Daniel Fernando, Marc Dando and Giuseppe Notarbartolo di Sciara.

2018 1st edition. Square 8vo flexibound paperback with flaps (172 x 216mm). Pp144. Colour photographs, colour and b/w line illustrations throughout, maps.

"The first dedicated field guide for manta and devil rays." A solid field guide to this group of mainly tropical and sub tropical species. Chapters include: Introduction - taxonomy and evolution, mobulid genetics, feeding strategies, leaping devils, cleaning giants, predators and wound healing, intestinal eversion and vomiting, remoras and hitchhikers, courtship and mating, mating scars, gestation and pupping, big and brainy, patterning and morphs. Species accounts. Mobulids and people - fisheries, gill plate trade, bycatch and discard, conserving mobulids, manta identification, swimming with mobulids, code of conduct. Appendices are: Data collection protocols; Law enforcement and trade monitoring, identification guide to the gill plates of mobulids.