The fish catecholamines originate in two large aggregations of neurons: the nucleus recessus lateralis (NRL) and the nucleus recessus posterioris (NRP). The nuclei were found in the hypothalamus of numerous species, e.g., the gold fish, eel, and roach. [ ISSN:1505-0297 http://purl.obolibrary.org/obo/BTO_0003662 ]
This is just here as a test because I lose it