title: Identification and description of hybrids of Fundulus heteroclitus and F. diaphanus (Pisces: Cyprinodontidae) from Porters Lake, Nova Scotia, with evidence for absence of backcrossing.
mesh_terms: D000818:Animals; D003433:Crosses, Genetic; D005260:Female; D005399:Fishes; D005618:Fresh Water; D006824:Hybridization, Genetic; D008297:Male; D009674:Nova Scotia