Publication Date

1980

Document Type

Dissertation/Thesis

First Advisor

Greenfield, David W.

Degree Name

M.S. (Master of Science)

Department

Department of Biological Sciences

LCSH

Belonesox belizanus||Fishes--Central America||Poeciliidae

Abstract

Specimens of Beionesox belizanus Kner from throughout Central America were examined to determine the extent of geographic variation for eight morphometric and five merlstlc characters. These characters were used to consider the validity of the subspecific name Beionesox belizanus maxillosus Hubbs. Specimens collected in Belize, Central America, were examined for life history traits, including feeding, reproduction, age and growth. Experiments were conducted using several species of Gambusla as prey items to determine whether Beionesox belizanus selectively preys on different sizes or species of Gambusla. The

Comments

Includes bibliographical references.

Extent

ix, 76 pages

Language

eng

Publisher

Northern Illinois University

Rights Statement

In Copyright

Rights Statement 2

NIU theses are protected by copyright. They may be viewed from Huskie Commons for any purpose, but reproduction or distribution in any format is prohibited without the written permission of the authors.

Media Type

Text

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