Fishes . Fig. 40 —The Trigger-fish, Batistes carotinensis Gniehn. New York. prohibited under the Spanish regime. A list of these suspiciousfishes has been given by Prof. Poey. In many of the eels the serum of the blood is poisonous, butits venom is destroyed by the gastric juice, so that the fleshmay be eaten with impunity, unless decay has set in. To eattoo much of the tropical morays is to invite gastric troubles,but no true ciguatera. The true ciguatera is produced by aspecific poisonous alkaloid. This is most developed in theglobefishes or puffers {Tctraodon, Spheroides, Tropidichthys, etc
Fishes . Fig. 40 —The Trigger-fish, Batistes carotinensis Gniehn. New York. prohibited under the Spanish regime. A list of these suspiciousfishes has been given by Prof. Poey. In many of the eels the serum of the blood is poisonous, butits venom is destroyed by the gastric juice, so that the fleshmay be eaten with impunity, unless decay has set in. To eattoo much of the tropical morays is to invite gastric troubles,but no true ciguatera. The true ciguatera is produced by aspecific poisonous alkaloid. This is most developed in theglobefishes or puffers {Tctraodon, Spheroides, Tropidichthys, etc.).It is present in the filefishes {Monacanthus, AliUera, etc.), prob-ably in some toadfishes {Batrachoides, etc.), and similar com-pounds are found in the flesh of sharks and especially in sharkslivers. Adaptations of Fishes 57 These alkaloids are most developed in the ovaries and testes,and in the spawning season. They are also found in the liverand sometimes elsewhere in the body. In many species oth
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