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Front. Mar. Sci. | doi: 10.3389/fmars.2018.00481

Amnesic Shellfish Poisoning (ASP) and Paralytic Shellfish Poisoning (PSP) in Nigerian Coast, Gulf of Guinea

  • 1Plant Biology & Biotechnology, University of Benin, Nigeria

This investigation is aimed at providing a baseline survey of the current status of the occurrence and spatio-temporal distribution of amnesic shellfish poisoning and paralytic shellfish poisoning in Nigerian coast, Gulf of Guinea. The study applied Jellett Rapid Test technic on algal samples collected from 8 states of South-south (SS) and South-west (SW) zones of coastal Nigeria, spanning the Bight of Bonny to the Bight of Benin, in the Gulf of Guinea, during the rainy and dry seasons, to screen for the presence of the human syndromes of amnesic shellfish poisoning (ASP) and paralytic shellfish poisoning (PSP) produced by domoic acid and saxitoxin respectively. Classified as low, medium, high and highest, various levels of these syndromes were detected across the length of the Nigerian coast. Comparatively, SW region had more syndromes (PSP & ASP) (64%) than the SS (36%) region of Nigerian coast. The prevalence of PSP (68%) was more than ASP (31%) in both zones with rainy season also recording higher (27%) ASP and PSP for SW than SS (12%) zone. Seasonal consideration revealed that more syndromes (ASP &PSP) were recorded in the rainy season compared to dry season. With the confirmed presence, spatial and temporal distribution of ASP and PSP in the coastal waters of Nigeria, the need for regular monitoring of algal syndromes and toxins screening is advocated.

Keywords: harmful algae syndrome, Amnesic shellfish poisoning, Paralytic shellfish poisoning, domoic, Saxitoxin

Received: 11 Feb 2018; Accepted: 29 Nov 2018.

Edited by:

Rathinam Arthur James, Bharathidasan University, India

Reviewed by:

Chidambaram Sabarathinam, Annamalai University, India
Yelda AKTAN, Istanbul University, Turkey  

Copyright: © 2018 Kadiri and Isagba. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence: Prof. Medina O. Kadiri, University of Benin, Plant Biology & Biotechnology, Benin City, Nigeria, mokadiri@hotmail.com