This research analyzes a population of 1760 Hippocampus ingens Girard, 1858 dehydrated “seahorses”, from confiscation of illegal fishing in the north of the country from a Chinese vessel in 2016 and donated to the Ricardo Palma University, Lima. Peru by the Ministry of Production (PRODUCE) of Peru according to delivery certificate No. 06-005565-2016, for research purposes. The morphological characteristics were analyzed and the morphometric parameters of this species were established. The sexual dimorphism ratio (1:1,32) was determined based on morphological characteristics such asthe presence of an incubation pouch in males and its absence in females. Through the Pearson correlation analysis, it was established that there is a direct proportionality between the weight that fluctuated between 0.53 and 5.37 g and the capture size between 56 and 219 mm, while the number of rings was es...