Adaptive radiation along ecological and morphological lines of least resistance in Cyprinodon pupfishes
Christopher H. Martin, Andrés Alvarez Zapata, Reyna Guadalupe Cetz Paredes, Frida Cortés, Sonia Gabriela Hernández, Matthew C. Kustra, Adán Fernando Mar‐Silva, Fernando Mex, M. Fernanda Palominos, Charles Tralka, Maribel Badillo‐Alemán, Juan Jacobo Schmitter-Soto, Christopher M. Martinez, Jairo Arroyave, Carlos A. Gracida-Juárez
The paper examines how pre-existing genetic constraints in generalist populations may limit adaptive divergence in two Caribbean Cyprinodon pupfish radiations, finding congruence between intraspecific variance and interspecific divergence axes.
bioRxiv · Aug 13, 2025 · PreprintEvolutionary Biology