It can be difficult to distinguish the juveniles, immature males, and adult females of C. ornatus from C. danae and C. similis (Williams 1984). C. ornatus is very similar to C. similis and the two were confused until the 1960's (Gore 1977).C. similis can be distinguished from C. ornatus by the pale translucent blue dactyls of the swimming legs and the propodi that are olive on the ends and banded with translucent blue mesially.
- Barnes RD. 1980. Invertebrate Zoology. Saunders College/Holt, Rinehart and Winston, Philadelphia, PA pp. 725
- Bookhout CG and JD Costow, Jr. 1977. Larval development of Callinectes similis reared in the laboratory. Bulletin of Marine Science 27:704-728.
- British Towns and Villages Network. Available online.
- Das T and WB Stickle. 1993. Sensitivity of crabs Callinectes sapidus and C. similis and the gastropod Stramonita haemastoma to hypoxia and anoxia. Marine Ecology Progress Series 98:263-274.
- Gore RH 1977. Studies on decapod crustaceans from the Indian River region of Florida.A field character for the rapid identification of the swimming crabs Callinectes ornatus Ordway, 1963 and C. similis Williams, 1966 (Brachyura: Portunidae). Northeast Gulf Science 1:119-123.
- Guerin JL and WB Stickle. 1997. Effects of salinity on survival and bioenergetics of juvenile lesser blue crabs, Callinectes similis. Marine Biology 129:63-69.
- Hsueh PW, McClintock JB and TS Hopkins. 1992a. Comparative study of the diets of the blue crabs Callinectes similis and C. sapidus from a mud-bottom habitat in Mobile Bay, Alabama. Journal of Crustacean Biology 12:615-619.
- Hsueh PW, McClintock JB and TS Hopkins. 1992b. Factors affecting the population dynamics of the lesser blue crab (Callinectes similis Williams) in barrier island salt marsh habitats of the Gulf of Mexico. Journal of the Alabama Academy of Science 63:1-9.
- Hsueh PW McClintock JB and TS Hopkins. 1993. Population dynamics and life history characteristics of the blue crabs Callinectes similis and C. sapidus in bay environments of the northern Gulf of Mexico. Marine Ecology 14:239-257.
- Piller SC, Henry RP, Doeller JE and DW Kraus. 1995. A comparison of the gill physiology of two euryhaline crab species, Callinectes sapidus and Callinectes similis: energy production, transport-related enzymes and osmoregulation as a function of acclimation salinity. Journal of Experimental Biology 198:349-358.
- Williams AB. 1984. Shrimps, Lobsters, and Crabs of the Atlantic Coast of the Eastern United States, Maine to Florida. Smithsonian Institution Press, Washington, D. C., pp 373-376.
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