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Please note that for those papers that are underlined, an abstract is available by clicking on the link.

1) Ryan, P.A. 1974. The Fish of Lake Ellesmere, Canterbury. Mauri Ora 2: 131-136

2) --------- 1975. Fish tagging with injected dyes. Mauri Ora 3: 55-61

3) Ryan, P.A., Fordyce, R.E., Stark, J.D., and Cowie, B. (eds) 1977. Christchurch Air Pollution. Mauri Ora, Special Publication No. 1. 71 pp.

4) Ryan, P.A. 1980. A checklist of the brackish and freshwater fish of Fiji. South Pacific Journal of Natural Science 1: 58-73

5) -------- 1980. Namalycastis vuwaensis n.sp. (Polychaeta: Nereidae) from the Nadrau Plateau, Fiji. New Zealand Journal of Zoology 7: 509-512

6) --------1981. Records of Three New Freshwater Fishes from the Fiji Islands Pacific Science 35(1): 93-95

7) -------- 1981. The Fiji Book of Running for Fun. Fiji Times and Herald. 47 pages.

8) -------- 1982. Energy contents of some New Zealand freshwater animals. Zealand Journal of Marine and Freshwater Research 16: 283-287

9) -------- 1984. Diel and seasonal feeding activity of the short-finned eel, Anguilla australis schmidtii, in Lake Ellesmere, Canterbury, New Zealand. Environmental Biology of Fishes 2: 229-234

10) --------1984. Fijian Amphibia. Domodomo 2(2): 87-98

11) -------1985. A coastal habitat for the Fiji Ground Frog and a first record from Ngau Island. Herpetological Review 16(3): 72

12) -------1986. Seasonal and size related changes in the food of the short-finned eel, Anguilla australis in Lake Ellesmere, Canterbury, New Zealand. Environmental Biology of Fishes 15(1): 47-58

13) -------1986. A new species of Stiphodon (Family Gobiidae: Sicydiaphiinae) from Vanuatu. Proceedings of the Second International Conference on Indo-Pacific Fishes: 655-662

14) Southern, W., Ash, J., Brodie, J., Ryan, P.A. 1986. The flora, fauna and water chemistry of Tagimaucia Crater, a tropical highland lake and swamp in Fiji. Freshwater Biology 16: 509-520

15) Ryan, P.A. 1988. Fiji's Natural Heritage. Southwestern Publishing Company, Auckland. 184 pp.

16) Ryan, P.A., Beaver, R.A., and Bornemissza, G.F. 1989. Observations on the giant Fiji long-horn beetle, Xixuthrus heros (Heer). Domodomo (1-4): 24-30

17) McLay, C., and Ryan, P.A. 1990. The terrestrial crabs Sesarma (Sesarmops) impressum and Geograpsus crinipes (Brachyura, Grapsidae, Sesarminae) recorded from the Fiji Islands. Journal of the Royal Society of New Zealand 20(1): 107-118
18) Glasby, C.J., Kitching, R.L. and Ryan, P.A. 1990. Taxonomy of the arboreal polychaete Lycastopsis catarractarum Feuerborn (Namanereidinae: Nereidae), with a discussion of the feeding biology of the species. Journal of Natural History 24: 341-350

19) Ryan, P.A. and Choy, S.C. 1990. Some observations on the mass upstream migration of Varuna litterata (Fabricius) megalopae (Crustacea: Brachyura: Grapsidae) in Fiji. Crustaceana 58: 237-250

20) Ryan, P.A. and Harris, A. 1990. A note of recent records of Australian butterflies in New Zealand. New Zealand Entomologist 13: 40-41

21) Ryan, P.A. 1990. Acid toxicity and aquatic animals: a book review. New Zealand Journal of Marine and Freshwater Research 24: 584-585

22) Ryan, P.A. 1991. Reasons for the success of the Gobiidae in tropical Pacific insular streams. New Zealand Journal of Zoology 18: 25-30

23) Ryan, P.A. 1991. The effects of suspended sediment on New Zealand stream environments: a review. New Zealand Journal of Marine and Freshwater Research 25: 207-221

24) Davies-Colley, R.J., Hickey, C.W., Quinn, J.M., Ryan, P.A. 1992. Effects of clay discharges on streams: 1. Optical properties and epilithon. Hydrobiologia 248: 235-247.

25) Quinn, J.M., Davies-Colley, R.J., Hickey, C.W., Vickers, M.L., Ryan, P.A. 1992. Effects of clay discharges on streams: 2. Benthic invertebrates. Hydrobiologia 248: 235-247.

26) Ryan, P.A. 1994. The Snorkeller's Guide to the Coral Reef. Exisle Publishing, Auckland and University of Hawaii Press, Honolulu. 184 pp.

27) Ryan, P.A. 1994. Wild at Heart The South Islandís West Coast. Exisle Publishing, Auckland, 72 pp.

28) Winterbourn, M.J. and Ryan, P.A. 1994. Mountain streams in Westland, New Zealand: benthic ecology and management issues. Freshwater Biology 32: 359-374

29) Early, J.W., Parrish, G.R., and Ryan, P.A. 1995. An invasion of the blue moon and blue tiger butterflies (Lepidoptera: Nymphalidae) from Australia, April 1995 . Records of the Auckland Institute and Museum

30) Ryan, P.A. 1997. Where all the time has gone. In: Time to live edited by Claus-Peter Lieckfeld. Pages 62-83. Pro Futura, Munich.

31) Ryan, P.A. 1998. Orana Park Wildlife Trust Souvenir Book. Orana Park Wildife Trust,
Christchurch. 32 pp.

32) Ryan, P. A. 1998. ZOO! Auckland Zoo Souvenir Book. Streamline Creative Ltd,
Auckland, 40 pp.

33) Ryan, P.A. and Paulin, C.D. 1998. Fiordland Underwater, New Zealandís Hidden Wilderness. Exisle Publishing Ltd, Auckland. 192 pp.

34) Beaver, R.A. and Ryan, P.A. 1998. Cranefly larvae (Diptera: Tipulidae) living in jelly masses. Journal of the New York Entomological Society. 106(2-3): 76-80.

35) Ryan, P.A. 1998. Effects of biologically active discharges into aquatic ecosystems: Review of treatment systems and standards. Conservation Advisory Science Notes. 170. 17 pp.

36) Ryan, P.A. 2000. Fijiís Natural Heritage. Second edition. Exisle Publishing Company Ltd. Auckland, New Zealand. 288 pp.

37) Ryan, P.A. 2002. Noda Veikabula. Exisle Publishing Company Ltd. Auckland, New Zealand. 288 pp.

38) Ryan, P.A. 2002. Denver Zoo Souvenir Guide. Streamline Creative Ltd. Auckland, New Zealand. 72 pp.

39) Chadderton, W.L., Ryan, P.A. and Winterbourn, M. J. 2003. Distribution, ecology and conservation status of freshwater Idoteidae (Isopoda) in southern New Zealand. Journal of the Royal Society of New Zealand. Vol 33(2): 529-548.

40) Ryan, P.A. 2003. Fort Worth Zoo Souvenir Book. Streamline Creative Ltd., Auckland. 84 pp.

41) Ryan, P.A. and Ryan, P.A. 2006. Impacts of global warming on New Zealand freshwater organisms: a preview and reviewNew Zealand Natural Sciences. 31: 43 - 57.

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