Mouthbrooding and life-history correlates in Betta fighting fish

Rüber, L., R. Britz, H. H. Tan, P. K. L. Ng & R. Zardoya, 2004. Evolution of mouthbrooding and life-history correlates in the fighting fish genus Betta. Evolution, 58 (4): 799-813. Abstract. (April 2004).