Term: sand tiger: shallow-water shark with sharp jagged teeth found on both sides of Atlantic; sometimes dangerous to swimmers
Broader: shark: any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales | Unrelated: fern genus: genera of ferns and fern allies
Broader: shark: any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales | Unrelated: rock salmon: any of several coarse fishes (such as dogfish or wolffish) when used as food
Broader: shark: any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales | Unrelated: tidal flow: the water current caused by the tides
Broader: shark: any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales | Unrelated: black spleenwort: spleenwort of Europe and Africa and Asia having pinnate fronds and yielding an astringent
Broader: shark: any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales | Unrelated: gleichenia: type genus of Gleicheniaceae: leptosporangiate ferns with sessile sporangia; South Africa to Malaysia and New Zealand
Broader: shark: any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales | Unrelated: prairie vole: typical vole of the extended prairie region of central United States and southern Canada
Broader: shark: any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales | Unrelated: horse nettle: coarse prickly weed having pale yellow flowers and yellow berrylike fruit; common throughout southern and eastern United States
Broader: shark: any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales | Unrelated: egg cream: made of milk and flavored syrup with soda water
Broader: shark: any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales | Unrelated: blue jay: common jay of eastern North America; bright blue with grey breast
Broader: shark: any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales | Unrelated: homo erectus: extinct species of primitive hominid with upright stature but small brain