One of the mysteries of the English language finally explained.
1An American freshwater catfish with four pairs of barbels around the mouth.
Family Ictaluridae: several genera and numerous species, including the black bullhead (Ameiurus melas)
- ‘The usual length of this moderate-sized bullhead is 20 to 36 cm.’
- ‘All but five of the species (brown bullhead, yellow bullhead, white sucker, American eel, and banded killifish) described in this article were uncommon in northeastern lakes, occurring in 8% of sampled lakes.’
- ‘She amuses herself by holding her feet very still until bullheads come to nibble at her ankles.’
- ‘In isolated enterocytes of black bullhead catfish, for instance, GLP - 1 application leads to substantial and dose-dependent increases in the capacity for glucose transport, as does exposure of the cells to glucagon.’
- ‘Three impoundments are stocked with bluegill sunfish and brown bullhead and partially drained to an appropriate depth for stork foraging during the late summer months.’
- ‘Also, freshwater prey species such as bullheads and catfish are more active nocturnally than diurnally and thus should be more available as prey.’
- ‘Whereas bullheads (Ameiurus sp.) and flathead catfish are evenly represented in the hand-collected sample, the flotation sample indicates that small bullheads were most commonly eaten.’
- ‘In Florida, the diet was comprised mainly of fishes, with gizzard shad, bullhead catfish, and small bluegill particularly common.’
- ‘They are usually too soft to withstand the attentions of small fish such as roach and small bream, as well as crayfish and the bullhead catfish.’
- ‘However, brown bullhead in the same study showed some resistance to the deleterious effects of mill effluents.’
- ‘Fortner and Pickford found that cortisol increased plasma chloride levels in hypophysectomized black bullhead, and that both prolactin and cortisol were necessary to maintain normal ion homeostatsis under isosmotic conditions.’
- ‘Finally, there's a shot of my two daughters, arms around each others’ necks, proudly displaying a puny little bullhead that got tangled in their line while fishing off the Berkeley pier.’
- ‘They were from a ‘nursery’ school of bullheads harvested in mid- to late summer, possibly as late as September or early October.’
- ‘It could possibly be confused with the rare bullhead catfish which has eight barbules, compared to the six barbules of the wels.’
- ‘Most of the fish collected were small (such as sunfish and minnows), but taxa collected also included redhorse, bass, and bullhead.’
- ‘The state's inland lakes and streams also teem with fish, including panfish, gamefish, and bullhead, catfish and carp.’
- ‘Banded killifish, American eel, and yellow bullhead were collected in 26%, 19% and 17% of sampled lakes respectively.’
- ‘However, in the first part of the 20th century bullheads were regularly stocked as a warm water sport fish in New England, and currently some catfishes are introduced for sport fishing (e.g., white catfish).’
- ‘Finally, green sunfish, carp, rock bass, and bullheads are all undesirable.’
2A small, mainly freshwater Eurasian fish of the sculpin family, with a broad flattened head and spiny fins.
Genera Cottus and Taurulus, family Cottidae: three species
- ‘Johansson and Englund studied a waiting game between bullheads (Cottus gobio; a predatory fish) and case-making caddis fly larvae.’
- ‘Hundreds of bullheads and stoneloach, 49 trout and one eel were among the fish killed in Lockholme Beck, a tributary of Scandal Beck, at Ravenstonedale, near Kirkby Stephen.’
- ‘Each time a song sounds an alarm, another style comes drifting in, sometimes extolling the moonlight or the joys of a ‘sugar coated rhyme’ or the simple pleasures of fishing for bullheads.’
- ‘The 40-mile stretch of the River Ure includes important game fisheries with trout, grayling and even salmon, but there are worries that many less well-known species such as the ruffe and bullhead are in decline.’
- ‘Other species caught included a handful of pike up to about five pounds in weight and a single chub, plus minnows and bullheads too numerous to count.’
- ‘It has been suggested, by Marconato et al., that the male river bullhead is forced to eat the eggs simply in order to stay alive while brooding.’
3A North American water lily with globular yellow flowers.
Nuphar variegatum, family Nymphaeaceae
- ‘The Menominee believed that the bullhead lily was a powerful medicine.’
- ‘The creation of a beaver pond provides habitat for common aquatic plants like the Water-shield, Common Bladderwort, White Water-lily and Bullhead Lily.’
- ‘At this time, too, I harvested a good supply of bullhead lily and cattail roots, both of which make a good substitute for potatoes.’
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