Species of Greatest Conservation Need

1279 species
Taxonomic Group
Federal Status
State Status
Endemic

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Species of Greatest Conservation Need (Updated: 01/31/2024)
Common Name Scientifc Name Taxonomic Group Federal Status State Status Global Rank State Rank Endemic General Habitat Type(s)
longbill spearfish Tetrapturus pfluegeri Fish - Marine Not Listed Not Listed GNR SU False Gulf of Mexico
yellowfin tuna Thunnus albacares Fish - Marine Not Listed Not Listed GNR SU False Gulf of Mexico
bluefin tuna Thunnus thynnus Fish - Marine Not Listed Not Listed GNR SU False Gulf of Mexico
swordfish Xiphias gladius Fish - Marine Not Listed Not Listed G5 S3 False Gulf of Mexico
No Accepted Common Name Adetus n. sp. EGR 1 Invertebrates Not Listed Not Listed G1 S1 False Forest, Woodland
Blanchards' sphinx moth Adhemarius blanchardorum Invertebrates Not Listed Not Listed G1 S1 True Chihuahuan oak woodland. Woodland also contains a wide variety of shrubs and some conifers. May be confined to the deciduous forest in Upper Green Gulch to Panther Pass summit of Big Bend National Park; host plant undetermined; May-June adult emergence
Tamaulipan agapema Agapema galbina Invertebrates Not Listed Not Listed G1 SH False Tamaulipan thornscrub with adequate densities of the caterpillar foodplant Condalia hookeri hookeri (= obovata); adults occur Sep - Oct; eggs hatch within two weeks and larvae mature rapidly
No Accepted Common Name Agrilus subtropicus Invertebrates Not Listed Not Listed GNR SNR False Forest, Woodland
No Accepted Common Name Allopentarthrum n. sp. TAC 1 Invertebrates Not Listed Not Listed G1 S1 False Forest, Woodland
No Accepted Common Name Allopentarthrum n. sp. TAC 2 Invertebrates Not Listed Not Listed G1 S1 False Forest, Woodland
No Accepted Common Name Almuerzothyas comalensis Invertebrates Not Listed Not Listed GNR SU True Spring obligate. Known only from Comal Springs, Comal County. Fine scale habitat requirements unknown.
No Accepted Common Name Almuerzothyas n. sp. Invertebrates Not Listed Not Listed G1 S1 False Caves/Karst
No Accepted Common Name Amblycorypha uhleri Invertebrates Not Listed Not Listed G2G3 SNA False Savanna/Open Woodland
No Accepted Common Name Andranthobius n. sp. TAC 1 Invertebrates Not Listed Not Listed G1 S1 False Forest, Woodland
No Accepted Common Name Andrena scotoptera Invertebrates Not Listed Not Listed GNR SNR False Grassland, Shrubland
No Accepted Common Name Anomala suavis Invertebrates Not Listed Not Listed GNR S1 False Barren/Sparse Vegetation
Padre Island tibial scarab Anomala tibialis Invertebrates Not Listed Not Listed GH SH True Sandy soils
No Accepted Common Name Apenes n. sp. UASM 11 Invertebrates Not Listed Not Listed G1 S1 False Forest, Woodland
No Accepted Common Name Apocheiridium reddelli Invertebrates Not Listed Not Listed G1G2 S1 True Caves/Karst
Chisos metalmark Apodemia chisosensis Invertebrates Not Listed Not Listed G2 S1? True Agave scrub community; nectarivore/herbivore, larval food Havards plum (Prunus havardii); diurnal, hibernates/aestivates, adult flights in spring and early August, second brood dependent on summer rains; larvae both aestivate/hibernate in rolled leaf, begin feeding late May and diapause in dead leaves until following spring, few exceptions emerge for a partial late summer flight
Guadalupe Cave pseudoscorpion Archeolarca guadalupensis Invertebrates Not Listed Not Listed G1G2 S1 True Live in leaf mold or decaying vegetation, in soils, beneath bark and stones, and in some mammals� nests; oviparous and may produce more than one brood per year
Ouachita rock pocketbook Arcidens wheeleri Invertebrates LE Not Listed G1 SU False Large, dense, diverse beds of other unionids; stable mud, sand, and gravel substrates of medium-sized rivers, backwater or slackwater areas adjacent to the main channel; also reported from cobble-gravel bottoms in pools of small, slow-flowing rivers; Red River Basin
No Accepted Common Name Arethaea ambulator Invertebrates Not Listed Not Listed GNR SNR False Savanna/Open Woodland
No Accepted Common Name Arethaea phantasma Invertebrates Not Listed Not Listed GNR SNR False Shrubland, Woodland
No Accepted Common Name Arrenurus n. sp Invertebrates Not Listed Not Listed G1 S1 False Caves/Karst