useless trivia: What Word Means: To Tarry?

Questions

When a ---------- exerts itself, gets angry, or stays out of the water for too long, it exudes red, sweatlike mucus through its skin.?

The smallest frog is the Gold frog (Psyllophryne Didactyla) of ----------. It grows to only 9.8 mm (3/8 inch).?

When a school of baby ---------- are threatened, their father opens his huge mouth and the youngsters swim inside to hide. When danger has passed, he reopens his mouth and lets the fry out.?

The smallest of American owls, the ----------, often nests in the Gila woodpecker's cactus hole after the woodpecker leaves. The owl measures barely 6 inches tall. It specializes in catching scorpions, seizing each by the tail and nipping off its stinger. It then swallows the scorpion's body, pincers and all.?

When a ---------- is first born, it is male, and it gradually evolves to female as it matures.?