. 5 cm (from Fischer 1978) Common Name: gizzard shad Scientific Name: Dorosoma cepedianum Other Common Names: eastern gizzard shad, skip- jack, hickory shad, mud shad, sawbelly, jackshad, ai7Cun(French Canadian), a/osenoyer(French),sa£>a/o molleja (Spanish) (Fischer 1978). Occasionally re- ferred to as threadfin shad, the accepted common name for Dorosoma petenense( Mi Her 1960, Robins et al. 1991). Classification (Robins et al. 1991) Phylum: Chordata Class: Osteichthyes Order: Clupeiformes Family: Clupeidae Value Commercial: This species has little commercial value, although it is sometime
. 5 cm (from Fischer 1978) Common Name: gizzard shad Scientific Name: Dorosoma cepedianum Other Common Names: eastern gizzard shad, skip- jack, hickory shad, mud shad, sawbelly, jackshad, ai7Cun(French Canadian), a/osenoyer(French),sa£>a/o molleja (Spanish) (Fischer 1978). Occasionally re- ferred to as threadfin shad, the accepted common name for Dorosoma petenense( Mi Her 1960, Robins et al. 1991). Classification (Robins et al. 1991) Phylum: Chordata Class: Osteichthyes Order: Clupeiformes Family: Clupeidae Value Commercial: This species has little commercial value, although it is sometimes reportedly harvested by net from freshwater lakes and reservoirs, and processed for animal feed orfertilizer. It is occasionally eaten, but is not popular because of poor flavor, undesirable texture, and being too bony. Gizzard shad are sold as live bait for striped bass in Alabama (Mettee pers. comm.). Recreational: The gizzard shad is generally consid- ered a "trash" and/or nuisance fish by anglers, but small sport fisheries have developed around dams and other congregation points (Manooch 1984). It is some- times used as live bait, especially for striped bass (Mettee pers. comm.). Its greatest value is as forage for commercial and recreational fish species, and it has been introduced into reservoirs as a prey species (Manooch 1984, Guest et al. 1990). Indicator of Environmental Stress Gizzard shad are not typically used in studies of environmental stress, but their populations have been used to assess the management needs of fresh water lakes and reser- voirs (Jenkins 1970). Ecological: The gizzard shad is an important forage fish (Lee 1980), and is often the primary prey of game fish in some reservoirs (Guest et al. 1990). In estuar- ies, this species is important in converting detritus, algae, and benthic invertebrates into forage fish biom- ass available to predatory fish (Lippson et al. 1979). Range Overall: The gizzard shad occurs from the Great Lakes (exce
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