3 harsh and threatening in manner or appearance the fierce faces of the players on the opposing hockey team Synonyms austere, dour, grim, flinty, forbidding, gruff, intimidating, lowering (also louring), rough, rugged, severe, stark, steely, stern, ungentleRelated Words bleak, cold, hostile, inhospitable, inimical, unfriendly, unsympathetic; adamant ...
Puffer fish from all other sources potentially contain deadly toxins and therefore are not considered safe. The liver, gonads (ovaries and testes), intestines, and skin of some puffer fish contain the toxins tetrodotoxin and/or saxitoxin.
Like many of the puffer fish, the coloring of the Fahaka Puffer fish can vary with age, disposition, and environment. While a juvenile may have a more mottled appearance, the adult will become more intensified, with the dark areas taking on a deep red coloring. These puffer are known to change color depending on mood.