Profundulus

Profundulus guatemalensis

Profundulus (Latin: the deep = deep) is a genus of freshwater fish from the order of Zahnkärpflinge ( Cyprinodontiformes ). They come in streams and rivers before on the Atlantic and Pacific side of Central America, Mexico, Guatemala and Honduras.

Features

Profundulus species have a stocky body and are 7.5 to 11.5 inches long. Dorsal and anal fins are small, rounded, and are far behind the other symmetrically opposite. The dorsal fin is supported by ten to 16 fin rays. In addition, the dorsal fin has one to three further only rudimentary fin rays. In the male, the dorsal fin is more developed in females the anal fin. In addition, the females are larger and stronger. The caudal fin is short and strong, and covered at the base of small scales. Along the lateral line organ are 31 to 39 scales. Fertilization is external.

System

The species of the genus were sometimes made to the genera Adinia or Fundulus. Later, a genus within the family Fundulidae was formed. Today, they are asked the monotypic family Profundulidae. Profundulus considered as sister group of the Goodeids ( Goodeidae ).

Species

There are six types:

• Profundulus candalarius ( Hubbs, 1924)
• Profundulus guatemalensis ( Günther, 1866)
• Profundulus hildebrandi (Miller, 1950)
• Profundulus kreiseri Matamoros et al., 2012
• Profundulus labialis ( Günther, 1866)
• Profundulus punctatus ( Günther, 1866)