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.
Fahaka puffer care isnât difficult at the condition that you provide the fish with proper tank environment and conditions. Fahaka puffer fish is extremely aggressive and it should be kept alone in a tank. Fahaka puffer tank size should be about 400 liters and more for an adult fish. Fahaka puffer tank requirements also include a very powerful filter and weekly water renew.