A ctenophore, a member of the phylum Ctenophora (the comb jellies).
A scyphozoan, a member of the class Scyphozoa (the true jellies).
A sudoku technique involving possible cell locations for a digit, or pair, or triple, in uniquely four rows and four columns only. This allows for the elimination of candidates around the grid.
jellyfishes
jellyfishes
noun
plural of jellyfish
jewelfish
jewelfish
noun
Any fish in the genus Hemichromis, native to Africa.
jewelfishes
jewelfishes
noun
plural of jewelfish
jewfish
jewfish
noun
Argyrosomus japonicus (silver jewfish, also known as the mulloway jewfish in eastern Australia)