Hypoplectrus espinosai sp. nov. (Teleostei: Serranidae), a new hamlet on coral reefs in the southwestern Gulf of Mexico Author Puebla, Oscar Leibniz Centre for Tropical Marine Research (ZMT), Bremen, Germany & Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky Universita ̈ t Oldenburg, Germany & Smithsonian Tropical Research Institute (STRI), Panama, Republic of Panama Author Aguilar-Perera, Alfonso Author Helmkampf, Martin Leibniz Centre for Tropical Marine Research (ZMT), Bremen, Germany Author Robertson, D. Ross Smithsonian Tropical Research Institute (STRI), Panama, Republic of Panama Author Estapé, Carlos J. 197 Gulfview Dr., Islamorada, FL 33036, USA Author Estapé, Allison Morgan 197 Gulfview Dr., Islamorada, FL 33036, USA Author Domínguez-Domínguez, Omar Laboratorio de Biología Acuática, Facultad de Biología, Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Michoacán, México text Zootaxa 2025 2025-04-04 5618 4 509 524 https://doi.org/10.11646/zootaxa.5618.4.3 journal article 309497 10.11646/zootaxa.5618.4.3 79953afd-9537-44cd-9484-e436f7113791 1175-5326 15218869 CFD4D938-C6C1-4C37-BD1C-4A3630AF726A

TABLE 1. Morphometric measurements (in millimeters) and meristic counts (in percentage of standard length) of Hypoplectrus espinosai sp. nov. in Cayo Arcas in the southern Gulf of Mexico.

	Holotype	Paratype	Paratype
	CPUM 14398	CPUM 14404	CPUM 14408
	CTUM 62555	CTUM62571	CTUM 62585
	Cayo Arcas	Cayo Arcas	Cayo Arcas
	Campeche Bank	Campeche Bank	Campeche Bank
	Mexico	Mexico	Mexico
Morphometrics
Total length	113.1	120.4	100.2
Standard length	90.4	97.6	82.3
Head length	35.4	40.1	32.6
Percentage of standard length
Body depth	45.6	44.7	42.3
Body width	12.5	16.2	13.2
Head length	39.2	41.1	39.6
Snout length	11.2	14.9	10.4
Orbit diameter	8.8	8.6	9.2
Inter-orbital width	6.8	7.3	7.2
Upper-jaw length	17.4	17.5	16.7
Caudal-peduncle depth	13.3	12.3	12.6
Caudal-peduncle length	12.7	11.9	8.5
Pre-dorsal length	44.6	43.2	41.8
Pre-pelvic length	40.2	45.0	40.3
Pre-pectoral length	37.8	41.8	39.2
Base of dorsal fin	56.6	53.9	53.7
Base of anal fin	19.9	19.5	21.4
Longest dorsal spine	16.0	15.2	13,6
Longest anal spine	13.6	13.4	13.5
Longest anal ray	17.4	17.4	17.5
Caudal-fin length	24.8	23.4	24.9
Pectoral-fin length	32.9	30.9	30.9
Pelvic-fin length	27.4	25.4	25.2
Percentage of head length
Snout length	28.6	36.2	26.2
Upper-jaw length	44.5	42.5	42.3
Inter-orbital width	17.3	17.7	18.2
Orbit diameter	22.3	21.0	23.2
Meristics
Dorsal fin	X, 15	X, 15	X, 15
Anal fin	III, 7	III, 7	III, 7
Pelvic fin	I, 5	I, 5	I, 5
Pectoral fin	13	13	13