The cephalic lateral line system of the pelagic fish Normanichthys crockeri (Clark, 1937) (Pisces: Normanichthyidae) from southern Chile
ABSTRACT The cephalic lateral line system of the Normanicthyidae family monotypic species, Normanichthys crockeri from Corral Bay, Chile was studied. N. crockeri is a small, schooling and pelagic fish from the southeast Pacific coast between Chimbote, Perú and Mocha Island, Chile. Normanichthys disp...
| Authors: | ; |
|---|---|
| Format: | Article |
| Status: | Published version |
| Publication date: | 2019 |
| Country: | Chile |
| Institution: | Agencia Nacional de Investigación y Desarrollo |
| Repository: | SciELO Chile |
| Language: | English |
| OAI Identifier: | oai:scielo:S0718-560X2019000100179 |
| Online Access: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2019000100179 |
| Access Level: | Open access |
| Keyword: | Normanichthys crockery mote sculpin lateral line morphology southeastern Pacific |
| _version_ | 1879188732552151040 |
|---|---|
| author | Sáez,Sylvia |
| author2 | Pequeño,Germán |
| author2_role | author |
| author_browse | Pequeño,Germán Sáez,Sylvia |
| author_facet | Sáez,Sylvia Pequeño,Germán |
| author_role | author |
| collection | SciELO Chile |
| description | ABSTRACT The cephalic lateral line system of the Normanicthyidae family monotypic species, Normanichthys crockeri from Corral Bay, Chile was studied. N. crockeri is a small, schooling and pelagic fish from the southeast Pacific coast between Chimbote, Perú and Mocha Island, Chile. Normanichthys displays a cephalic latero sensorial system constituted by pores and canals. The pores are in six cephalic zones: five preopercular pores (pr.p), five mandibular pores (m.p), three supraorbital pores (so.p), eight infraorbital pores (io.p), three postorbital pores (po.p), three supratemporal pores (st.p) and only one coronary pore (c.p). The high number of pores distributed along the anterior, middle and posterior zones of the orbit stands out, making it a quite sensitive area. In the jaw, five elongated pores join those present in the preoperculum that, along with the rest of the cephalic pores in the supraorbital, supratemporal and postorbital regions make yet another area sensitive to the water flow. These pores are connected with eight narrow, continuous and simple canals: preopercular canal (PR), mandibular canal (MD), supraorbital canal (SO), infraorbital canal (IO), supratemporal canal (ST), otic canal (OT), post-otic canal (PO) and temporal canal (T). This type of canal is the most common pattern found among bony fishes and is designed to respond maximally to water flow velocity along the axis of the canal. These results will help understand part of the cephalic sensorial lateral line biology of this species, which has been barely considered in the ichthyological literature. |
| eu_rights_str_mv | openAccess |
| format | article |
| id | CL_de2fbb546e53bf92434cbe27d2fcd1a1 |
| institution | Agencia Nacional de Investigación y Desarrollo |
| instname_str | Agencia Nacional de Investigación y Desarrollo |
| language | eng |
| network_acronym_str | CL |
| network_name_str | Chile |
| oai_identifier_str | oai:scielo:S0718-560X2019000100179 |
| publishDate | 2019 |
| publishDateSort | 2019 |
| publisher | Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar |
| publisherStr | Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar |
| reponame_str | SciELO Chile |
| spelling | The cephalic lateral line system of the pelagic fish Normanichthys crockeri (Clark, 1937) (Pisces: Normanichthyidae) from southern Chile Sáez,Sylvia Pequeño,Germán Normanichthys crockery mote sculpin lateral line morphology southeastern Pacific ABSTRACT The cephalic lateral line system of the Normanicthyidae family monotypic species, Normanichthys crockeri from Corral Bay, Chile was studied. N. crockeri is a small, schooling and pelagic fish from the southeast Pacific coast between Chimbote, Perú and Mocha Island, Chile. Normanichthys displays a cephalic latero sensorial system constituted by pores and canals. The pores are in six cephalic zones: five preopercular pores (pr.p), five mandibular pores (m.p), three supraorbital pores (so.p), eight infraorbital pores (io.p), three postorbital pores (po.p), three supratemporal pores (st.p) and only one coronary pore (c.p). The high number of pores distributed along the anterior, middle and posterior zones of the orbit stands out, making it a quite sensitive area. In the jaw, five elongated pores join those present in the preoperculum that, along with the rest of the cephalic pores in the supraorbital, supratemporal and postorbital regions make yet another area sensitive to the water flow. These pores are connected with eight narrow, continuous and simple canals: preopercular canal (PR), mandibular canal (MD), supraorbital canal (SO), infraorbital canal (IO), supratemporal canal (ST), otic canal (OT), post-otic canal (PO) and temporal canal (T). This type of canal is the most common pattern found among bony fishes and is designed to respond maximally to water flow velocity along the axis of the canal. These results will help understand part of the cephalic sensorial lateral line biology of this species, which has been barely considered in the ichthyological literature. Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2019000100179 |
| spellingShingle | The cephalic lateral line system of the pelagic fish Normanichthys crockeri (Clark, 1937) (Pisces: Normanichthyidae) from southern Chile Sáez,Sylvia Normanichthys crockery mote sculpin lateral line morphology southeastern Pacific |
| status_str | publishedVersion |
| title | The cephalic lateral line system of the pelagic fish Normanichthys crockeri (Clark, 1937) (Pisces: Normanichthyidae) from southern Chile |
| title_full | The cephalic lateral line system of the pelagic fish Normanichthys crockeri (Clark, 1937) (Pisces: Normanichthyidae) from southern Chile |
| title_fullStr | The cephalic lateral line system of the pelagic fish Normanichthys crockeri (Clark, 1937) (Pisces: Normanichthyidae) from southern Chile |
| title_full_unstemmed | The cephalic lateral line system of the pelagic fish Normanichthys crockeri (Clark, 1937) (Pisces: Normanichthyidae) from southern Chile |
| title_short | The cephalic lateral line system of the pelagic fish Normanichthys crockeri (Clark, 1937) (Pisces: Normanichthyidae) from southern Chile |
| title_sort | The cephalic lateral line system of the pelagic fish Normanichthys crockeri (Clark, 1937) (Pisces: Normanichthyidae) from southern Chile |
| topic | Normanichthys crockery mote sculpin lateral line morphology southeastern Pacific |
| topic_facet | Normanichthys crockery mote sculpin lateral line morphology southeastern Pacific |
| url | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2019000100179 |