| Elevated predation risk changes mating behaviour and courtship in a fiddler crab T Koga, PRY Backwell, MD Jennions, JH Christy Proceedings of the Royal Society of London. Series B: Biological Sciences …, 1998 | 153 | 1998 |
| Male-biased predation of a fiddler crab T Koga, PRY Backwell, JH Christy, M Murai, E Kasuya Animal Behaviour 62 (2), 201-207, 2001 | 104 | 2001 |
| Green tide formed by free-floating Ulva spp. at Yatsu tidal flat, Japan T Yabe, Y Ishii, Y Amano, T Koga, S Hayashi, S Nohara, H Tatsumoto Limnology 10 (3), 239-245, 2009 | 94 | 2009 |
| Sperm Competition and the Assurance of Underground Copulation in the Sand-bubbler Crab Scopimera Globosa (Brachyura: Ocypodidae) T Koga, Y Henmi, M Murai Journal of Crustacean Biology 13 (1), 134-137, 1993 | 78 | 1993 |
| Mate acceptance and guarding by male fiddler crabs Uca tetragonon (Herbst) S Goshima, T Koga, M Murai Journal of Experimental Marine Biology and Ecology 196 (1-2), 131-143, 1996 | 67 | 1996 |
| crab Scopimera globosa T Koga Mar. Ecol. Prog, Ser 117, 65-74, 1995 | 41 | 1995 |
| Sexual Differences in Foraging Behavior of Sika Deer, Cervus nippon T Koga, Y Ono Journal of mammalogy 75 (1), 129-135, 1994 | 36 | 1994 |
| Underground mating in the fiddler crab Uca tetragonon: the association between female life history traits and male mating tactics T Koga, M Murai, S Goshima, S Poovachiranon Journal of Experimental Marine Biology and Ecology 248 (1), 35-52, 2000 | 35 | 2000 |
| The assessment of female reproductive state during courtship and scramble competition in the fiddler crab, Uca paradussumieri M Murai, T Koga, HS Yong Behavioral Ecology and Sociobiology 52 (2), 137-142, 2002 | 30 | 2002 |
| Male-male competition and intersexual interactions in underground mating of the fiddler crab Uca paradussumieri T Koga, HS Yong, M Murai Behaviour 136 (5), 651-667, 1999 | 28 | 1999 |
| Chelipeds are the real weapon: cheliped size is a more effective determinant than body size in male–male competition for mates in a hermit crab K Yoshino, T Koga, S Oki Behavioral Ecology and Sociobiology 65 (9), 1825-1832, 2011 | 26 | 2011 |
| Burrow defense behaviors in a sand-bubbler crab, Scopimera globosa, in relation to body size and prior residence M Takahashi, N Suzuki, T Koga Journal of Ethology 19 (2), 93-96, 2001 | 24 | 2001 |
| Size‐dependent Mating Behaviours of Male Sand‐bubbler Crab, Scopimera globosa: Alternative Tactics in the Life History T Koga, M Murai Ethology 103 (7), 578-587, 1997 | 23 | 1997 |
| Courtship and the Evolution of Underground Mating in Uca Tetragonon (Decapoda: Ocypodidae) M Murai, T Koga, S Goshima, S Poovachiranon Journal of Crustacean Biology 15 (4), 655-658, 1995 | 21 | 1995 |
| Mating Behavior of the Sand Bubbler Crab Scopimera Globosa Y Henmi, T Koga, M Murai Journal of Crustacean Biology 13 (4), 736-744, 1993 | 21 | 1993 |
| Reproductive success and two modes of mating in the sand-bubbler crab Scopimera globosa T Koga Journal of experimental marine biology and ecology 229 (2), 197-207, 1998 | 20 | 1998 |
| Predation and cannibalism by the male fiddler crabUca tetragonon T Koga, S Goshima, M Murai, S Poovachiranon Journal of Ethology 13 (2), 181-183, 1995 | 18 | 1995 |
| Territorial behavior of both sexes in the water striderMetrocoris histrio (Hemiptera: Gerridae) during the mating season T Koga, K Hayashi Journal of insect behavior 6 (1), 65-77, 1993 | 15 | 1993 |
| Temporal changes in the reproductive population structures and males’ secondary sexual character of the hermit crab Diogenes nitidimanus T Koga, K Yoshino, Y Fukuda Ecological research 25 (5), 1007-1017, 2010 | 14 | 2010 |
| Do weaponless males of the hermit crab Pagurus minutus give up contests without escalation? Behavior of intruders that lack their major cheliped in male–male contests CI Yasuda, T Koga Journal of ethology 34 (3), 249-254, 2016 | 13 | 2016 |
