Theses and Dissertations

Issuing Body

Mississippi State University


Neal, J. Wesley

Committee Member

Allen, Peter J.

Committee Member

Kröger, Robert

Date of Degree


Document Type

Graduate Thesis - Open Access


Wildlife and Fisheries Science

Degree Name

Master of Science (M.S.)


College of Forest Resources


Department of Wildlife, Fisheries and Aquaculture


Effects of temperature (23, 26, 29°C) and salinity (0, 5, 10, 15, 20 ppt) on hatch success, growth, development, and survival of bigmouth sleeper Gobiomorus dormitor yolk sac larvae were determined. Hatch success was greater at lower temperatures (23°C) and salinities (0-10 ppt), while larval survival and growth were greater at 26°C and 0 ppt. Larvae reared at 29°C- 0 ppt developed rapidly but rarely survived 48-h post hatch, while larvae at 23°C- 0 ppt survived 120-h post hatch, developed slower. Salinity adversely affected larval survival and size at hatch, larvae reared at salinities 5 ppt or greater died within 12-h post hatch and larvae set at 0 ppt were significantly larger than larvae hatched at salinities 5 ppt or greater. The exogenously feeding larval stage was not achieved; however, this study provides valuable insight of the bigmouth sleeper early ontogeny and provides several techniques for improving future propagation attempts.