Refers specifically to the bull shark (Carcharhinus leucas). Cross-referenced with 大目白鮫 (おおめじろざめ), another shark species.
See also: オオメジロザメ (おおめじろざめ)
The bull shark is a dangerous shark that also enters brackish waters.
Katakana spelling is common for this species name; usually written in kana.
Kanji spelling exists but is rarely used; the word is usually written in kana.
The name ウシザメ (牛鮫) literally means 'cow shark', likely from its stocky build or blunt snout resembling a cow. The exact origin is uncertain.