angelfish: a butterfly fish of the genus Pomacanthus
entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
gastrocybe lateritia: a species of Gastrocybe fungus that has a conic cap and a thin stalk; at first the stalk is upright but as it matures the stalk bends over and then downward; the cap then gelatinizes and a slimy mass containing the spores falls to the ground as the stalk collapses